Chelsea Power Take-Off Parts List 277/278 Series
277/278 Series
Bulletin HY25-2277-M1/US Parts List
277 Bill of Materials 277/278 Series
Item Part Number Description Quantity
1 1-P-554X Housing Ass’y 5, includes item 11 1
2 560972 Needle Bearing ............ 1
3 550439 Tapered Bearing Cone 2
4 See Chart Pg. 4 Input Gear .................... 1
5 14-P-74-1 Spacers (.112 - .114) ... A.R.
14-P-74-2 Spacers (.115 - .117) ... A.R.
14-P-74-3 Spacers (.118 - .120) ... A.R.
14-P-74-4 Spacers (.121 - .123) ... A.R.
14-P-74-5 Spacers (.124 - .126) ... A.R.
6 28-P-191 O-Ring .. 1
7 9-P-91 Idler Shaft, Pressure Lube 1
8 379672 NWD Plug .................... 1
9 9-P-102 Thrust Washer ............. 1
11 500597-16 Slotted Pin ................... 1
329145-12X Valve And Valve Cap Assembly (12 Volt) 1
329145-24X Valve And Valve Cap Assembly (24 Volt) 1
Assemblies include items 12 thru 19
12 28-P-193 Block Ring .................... 1
13 329144X Valve Cap Assembly (12 Volt) ....... 1
329144-1X Valve Cap Assembly (24 Volt) ....... 1
14 379604-1 Solenoid Valve (12 Volt) ..... 1
379604-2 Solenoid Valve (24 Volt) .....
15 34-P-123 Valve Cap .................... 1
16 379565 Hex Capscrew (.250"-20 x .750") .. 4
17 28-P-119 Oil Seal . 1
18 378811 Washer .. 1
19 378849 Retaining Ring ............. 1
20 22-P-112 Gasket, Valve Cap ....... 1
21 378447-6 Socket Head Capscrew (.312"-18 x 1.000") 3
See Chart Pg. 4 Output Shaft & Clutch Assembly
(Includes items 22 thru 34)
22 14-P-49 Spacer .. 1
23 379746 Retaining Ring ............. 1
24 See Chart Pg. 4 Output Shaft ................ 1
25 2-P-458 Clutch Gear ................. 1
26 379485 Friction Disc ................. 8
27 379595 Clutch Plate ................. 7
28 28-P-244 O-Ring .. 2
29 37-P-39 Return Spring .............. 1
328895X Piston & Cylinder Assembly (Includes items 30-32)
30 28-P-121 Block Vee Ring............. 1
328676X Piston Assembly (Includes items 31 and 32)
31 379133 Piston .... 1
32 378856 Wiggler Wire ................ 1
33 378760 Clutch Back Up Cylinder ... 1
34 378576 Retaining Ring ............. 1
Output Gear Assembly (Includes items 35 and 36)
329005-1X / 6X “B” Ratio / “B” Ratio Super Torque
329005-2X / 7X “D” Ratio / “D” Ratio Super Torque
329005-3X / 8X “G” Ratio / “G” Ratio Super Torque
329005-4X / 9X “M” Ratio / “M” Ratio Super Torque
329005-5X / 10X “S” Ratio / “S” Ratio Super Torque
35 See Chart Pg. 4 Output Gear ............... 1
36 560972 Needle Bearing .......... 1
37 31-P-70 Thrust Washer ............. 1
38 379746 Retaining Ring ............. 1
39 4-P-147 Spacer, Drive Shaft ..... 1
40 550010 Ball Bearing ................. 1
A.R.—As Required
Item Part Number
Description Quantity
41
See Chart Pg. 4
Bearing Cap/Pump Flange 1
42
378895
Retaining Ring ............. 1
Pressure Lube Option “P”
43
378576
Retaining Ring ............. 1
44
28-P-225
Oil Seal . 1
45
500007-29
Woodruff Key ............... 1
46
22-P-101
Gasket, Bearing Cap ... 1
47
378447-8
Socket Head Capscrew (.312"-18 x 1.500") 4
48
379659
Run Tee, Pressure Lube Only ....... 1
49
379660
Steel Tubing, Pressure Lube Only . 1
50
379231
Pipe Plug .125"-27 NPTF, w/o E.O.C. Only .. 1
51
379242
O-Ring Boss Plug, w/o E.O.C. Only ........ 1
52
28-P-171
O-Ring, w/ E.O.C. Only..... 1
53
379243
Speed Sensor, w/ E.O.C. Only ..... 1
54
379502
Pressure Switch Assembly 1
55
379486
Straight Thread Connector 90 degrees, w/o Pressure Lube ........... 1
56
35-P-74
Mounting Gasket ......... 1
7170-86X
Stud Kit . 1
57
379451
Guide Screw ................ 2
58
379453-10
Ferry Capscrew (M10-1.5 x 35mm) ........ 8
N.S.
379486
90° Elbow Fitting w/O-Ring (Transmission High Pressure) ............. 1 Lube Option “R” Valve Cap Rotated 120°
R1
329130-3X
Hose Connector ........... 1
R2
379556
Straight Thread O-Ring Connector Tee ... 1
R3
379486
Straight Thread 90° Elbow 1
N.S. — Not Shown
277X***R-*5** 277X***P-*5*
R1
See Hose Charts
on Pages 6 & 7
53 52
R2
R3
Item Part Number Description Quantity PARTS SHIPPED LOOSE
379486
90° O-Ring Connector . 1
328748X
Pump Mounting Kit, For “XR” Pump Only .... 1
328948-9X
Gasket & Installation Instructions.. 1
329024-12X
Installation Kit 12V, Less E.O.C. ... 1
329024-24X
Installation Kit 24V, Less E.O.C. ... 1
329076X
Installation Kit 12V, With E.O.C. .... 1
328924-12X
Control Box 12V, With E.O.C. ........ 1
328924-24X
Control Box 24V, With E.O.C. ........ 1
329327-12X
Installation Kit 12V, Remote Valve Less E.O.C. ........ 1
329327-24X
Installation Kit 24V, Remote Valve Less E.O.C. ........ 1
SERVICE KITS
329071-19X
Gasket & Seal Kit ........ 1
329071-33X
Gasket & Seal Kit (“XY” Output Only) ..... 1
329071-5X
Bearing Kit ................... 1
329071-7X
Clutch Repair Kit ......... 1
329175-12X
E.O.C. Field Conversion Kit 12V, Remote Valve ....... 1
329175-24X
E.O.C. Field Conversion Kit 24V, Remote Valve ....... 1
329240-12X
Conversion Kit 12V, Remote Valve 1
329240-24X
Conversion Kit 24V, Remote Valve 1
Gear Chart
ModelNumber Input Gear Part Number Item No. 4 Number Teeth Lg/Sm Output Gear Item No. 35 Gear & Bearing Sub-assembly Items 35 & 36
Part Number Number Teeth
277XBFJ 277XDFJ 277XGFJ 277XMFJ 277XSFJ SUPER TORQUE277SBFJ 277SDFJ 277SGFJ 277SMFJ 277SSFJ . 5-P-912 5-P-913 5-P-914 5-P-915 5-P-1173 5-P-1350 5-P-1293 5-P-1225 5-P-1351 5-P-1278 25 28 31 35 39 25 28 31 35 39 2-P-688 2-P-684 2-P-683 2-P-682 2-P-756 2-P-800 2-P-790 2-P-779 2-P-801 2-P-789 47 44 41 37 33 47 44 41 37 33 329005-1X 329005-2X 329005-3X 329005-4X 329005-5X 329005-6X 329005-7X 329005-8X 329005-9X 329005-10X
Output Shaft Chart
Model Number Output Shaft Item No. 24 Output Shaft & Clutch Assy No. Bearing Cap/Pump Flange Item No. 41 Oil Seal Item No. 44 Pump Flange
277*-***XD 277*-***XK 277*-***XP 277*-***XR 277*-***XY 277*-***XX 277*-***XP 277*-***AF 277*-***RA 277*-***RB 277*-***RF 3-P-831 3-P-832 3-P-832 3-P-833 3-P-852 3-P-853 3-P-832 3-P-892 3-P-833 3-P-833 3-P-925 329006-1X 329006-2X 329006-2X 329006-3X 329006-4X 329006-5X 329006-2X 329006-6X 329006-3X 329006-3X 329006-8X 21-P-480 21-P-482 21-P-568 21-P-484 21-P-524 21-P-480 21-P-568 21-P-576 21-P-484 21-P-484 21-P-484 28-P-225 28-P-225 28-P-225 28-P-225 28-P-230 28-P-225 28-P-225 28-P-225 28-P-225 28-P-225 28-P-225 21-P-628 21-P-572 21-P-628
277 Model Number Designation 277/278 Series
Model Number Designation
277XGXPP - B5XD
BASIC MODEL
277
MOUNTING TYPE X = Standard Mounting S = Super Torque.
GEAR RATIO B = 25/47 D = 28/44 G = 31/41 M = 35/37 S = 39/33
INPUT GEAR DESIGNATOR
LUBRICATION P = Pressure Lube R = Valve Cap Rotated 120°
P.T.O. Housing Dimensions
OUTPUT TYPE XD = 1.250" RD Std. Shaft XK = S.A.E. “B” 2 or 4 Bolt XP = S.A.E. “A” 2 Bolt XR = CHELSEA Special AF = S.A.E. “BB” 2 or 4 Bolt RA = Rotatable S.A.E. “B” 2 Bolt RB = Rotatable S.A.E. “B” 4 Bolt XY = DIN 5462 XX = DIN 100 RF = Rotatable S.A.E. “BB” 2 Bolt RG = Rotatable S.A.E. “BB” 4 Bolt
ASSEMBLY ARRANGEMENT
*5* Gear forward, shaft rear, bulge up right side, bulge down left side
SHIFTER TYPE B = 12V Hydraulic Valve D = 24V Hydraulic Valve G = 12V Remote Hydraulic Valve w/o E.O.C. H = 24V Remote Hydraulic Valve w/o E.O.C. K = 12V Hydraulic Valve with E.O.C. L = 24V Hydraulic Valve with E.O.C. M = 12V without Installation Kit - 329024-12X N = 24V without Installation Kit - 329024-24X
Shift Installation Kit Without Electronic Overspeed Control (SK-247)
277 Series
Trans. P.T.O. Side Hose Part# Comments
MD MD HD HD MD MD HD HD LEFT RIGHT LEFT TOP RIGHT LEFT RIGHT LEFT TOP RIGHT 329130-5X 329075-1X 329130-4X 329075-2X 329130-5X 329075-1X 329130-5X 329075-4X 26.5" w/o Hose Clamp (Lube Option “P”) Pressure Lube 26.5" w/ Hose Clamp (Lube Option “P”) Pressure Lube 22.0" w/o Hose Clamp (Lube Option “P”) Pressure Lube 42.0" w/ Hose Clamp (Lube Option “P”) Pressure Lube 26.5" w/o Hose Clamp (Lube Option “R”) Valve Cap Rotated 120°26.5" w/ Hose Clamp (Lube Option “R”) Valve Cap Rotated 120°26.5" w/o Hose Clamp (Lube Option “R”) Valve Cap Rotated 120°47.0" w/ Hose Clamp (Lube Option “R”) Valve Cap Rotated 120°
Item Part Number
Description Quantity
329024-12X
12 Volt Shift Installation Kit 1
329024-24X
24 Volt Shift Installation Kit 1
59
378881
Switch ... 1
60
378884
Fuse, 9 Amp ................ 1
61
378978
Indicator Light, 12 Volt . 1 or
379005
Indicator Light, 24 Volt . 1
62
379257
Connector, Splice ........ 1
63
379265
Grommet ...................... 1
64
379306
Fork Connector ............ 3
65
379336
Bracket .. 1
66
379504
Valve Connector & Wire .... 1
67
379502
Pressure Switch........... 1
Shift Installation Kit With Electronic Overspeed Control (SK-248) Remote Mount Valve Conversion Kits (SK-316)
Item Part Number Description Quantity
329076X Shift Installation Kit ...... 1
68 379257 Connector, Splice ........ 1
69 379265 Grommet ...................... 1
70 379502 Pressure Switch ........... 1
71 379504 Valve Connector & Wire .... 1
N.S. 379252 Butt Connector ............. 1
N.S. 379061 Wire Tie . 6
72 328924-12X Chelsea E.O.C., 12 Volt ..... 1
328924-24X Chelsea E.O.C., 24 Volt ..... 1
329175-12X E.O.C. Field Conversion Kit, 12 Volt
(Includes 329076X and items 52, 53 and 72)
329175-24X E.O.C. Field Conversion Kit, 24 Volt
(Includes 329076X and items 52, 53 and 72)
73 SPEED SENSOR EXTENSION CABLE*
328923-10X 10' Extension Cable, Supplied with E.O.C. .. 1 or
328923-5X 5' Extension Cable, Optional
* Run cable through grommet in firewall
N.S. — Not Shown
Trans. P.T.O. Side Hose Part# Comments
MD MD HD HD LEFT RIGHT LEFT TOP RIGHT 329130-5X 329075-1X 329130-5X 329075-4X 26.5" w/o Hose Clamp (Shifter “Options G & H”) 12V & 24V Remote Hydraulic Valve w/o E.O.C. 26.5" w/ Hose Clamp (Shifter “Options G & H”) 12V & 24V Remote Hydraulic Valve w/o E.O.C. 26.5" w/o Hose Clamp (Shifter “Options G & H”) 12V & 24V Remote Hydraulic Valve w/o E.O.C. 47.0" w/ Hose Clamp (Shifter “Options G & H”) 12V & 24V Remote Hydraulic Valve w/o E.O.C.
Item Part Number Description Quantity
329237-12X 12 Volt Shift Installation Kit
329237-24X 24 Volt Shift Installation Kit
74 329230X Connector Wire ............ 1
75 329231X Valve Connector & Wire .... 1
76 378881 Switch ... 1
77 378884 Fuse Holder, 9 AMP .... 1
78 378978 Indicator Light, 12 Volt . 1 or
379005 Indicator Light, 24 Volt . 1
79 379252 Butt Connector ............. 2
80 379257 Splice Connector ........ 1
81 379258 Mounting Bracket, Solenoid .......... 1
82 379265 Grommet ...................... 1
83 379306 Fork Connector ............ 3
84 379336 Name & Plate Bracket . 1
85 379449 Male Connector ........... 2
86 379502 Pressure Switch ........... 1
87 379686-1 Solenoid Valve, 12 Volt 1 or
379686-2 Solenoid Valve, 24 Volt 1
88 500357-7 Lockwasher .................. 2
89 500457-6 Mounting Screw (.790"-32x.438") . 2
Item Part Number Description Quantity
329160-21X “XK” Output
329160-22X “XR” Output
329160-23X “XP” Output
329160-25X “AF” Output
329160-37X “RA” Output
329160-38X “RB” Output
329160-39X “RF” Output
329160-45X “RG” Output
17 28-P-119 Oil Seal, High Pressure ..... 1
19 378849 Retaining Ring ............. 1
20 22-P-112 Gasket, Valve Cap ....... 1
23 379746 Retaining Ring ............. 1
24 3-P-832 Output Shaft, XK & XP Outputs .... 1 or
3-P-833 Output Shaft, XR, RA, & RB Outputs ...... 1
3-P-925 Output Shaft, RF Output ... 1
3-P-892 Output Shaft, AF Output .... 1
28 28-P-244 O-Ring .. 2
30 28-P-121 Block -V- Ring .............. 1
34 378576 Retaining Ring ............. 1
38 379746 Retaining Ring ............. 1
41 21-P-482 Bearing Cap, XK Output .... 1 or
21-P-484 Bearing Cap, XR Output .... 1
21-P-568 Bearing Cap, XP Output .... 1
21-P-576 Bearing Cap, AF Output .... 1
N.S. 21-P-572 Pump Flange, RB & RG Output & 21-P-484 Brg. Cap .................... 1
N.S. 21-P-628 Pump Flange, RA & RF Outputs & 21-P-484 Brg. Cap ................... 1
43 378576 Retaining Ring ............. 1
44 28-P-225 Oil Seal . 1
46 22-P-101 Gasket, Bearing Cap ... 1
47 378447-8 Socket Head Capscrew (.3125"-18 x 1.500") ........... 4
N.S. 378447-6 Socket Head Capscrew (.3125"-18 x 1.000")(Rotatable Flange) .... 4
N.S. 328748X Pump Mounting Kit, XR Output ..... 1
Notes
278 Exploded View 277/278 Series
50
51
52
58
57
11
Bulletin HY25-2277-M1/US Parts List
278 Bill of Materials 277/278 Series
Item Part Number Description Quantity
1 1-P-591X Housing Ass'y 3 (Includes Item # 11) ..... 1
2 560972 Needle Bearing ............ 1
3 550439 Tapered Bearing Cone 2
4 See Chart Pg. 14 Input Gear .................... 1
5 14-P-74-1 Spacers (.112 - .114) ... A.R.
14-P-74-2 Spacers (.115 - .117) ... A.R.
14-P-74-3 Spacers (.118 - .120) ... A.R.
14-P-74-4 Spacers (.121 - .123) ... A.R.
14-P-74-5 Spacers (.124 - .126) ... A.R.
6 28-P-191 O-Ring .. 1
7 9-P-91 Idler Shaft, Pressure Lube 1
8 379672 NWD Plug .................... 1
9 9-P-102 Thrust Washer ............. 1
11 500597-16 Slotted Pin ................... 1
329352-12X Valve and Valve Cap Assembly (12 Volt) 1
329352-24X Valve and Valve Cap Assembly (24 Volt) 1
Assemblies include items 12 thru 19
12 28-P-193 Block Ring .................... 1
13 329144X Valve Cap Assembly (12 Volt) ....... 1
329144-1X Valve Cap Assembly (24 Volt) ....... 1
14 379604-1 Solenoid Valve (12 Volt) ..... 1
379604-2 Solenoid Valve (24 Volt) .....
15 34-P-278 Valve Cover .................. 1
16 379565 Hex Capscrew (.250"-20 x .750") .. 4
17 28-P-119 Oil Seal . 1
18 378811 Washer .. 1
19 378849 Retaining Ring ............. 1
20 22-P-112 Gasket, Valve Cover .... 1
21 378447-6 Socket Head Capscrew (.312"-18 x 1.000") 3
See Chart Pg. 14 Output Shaft & Clutch Assembly
(Includes items 22 thru 34)
22 14-P-49 Spacer .. 1
23 379746 Retaining Ring ............. 1
24 See Chart Pg. 14 Output Shaft ................ 1
25 2-P-458 Clutch Gear ................. 1
26 379485 Friction Disc ................. 8
27 379595 Clutch Plate ................. 7
28 28-P-244 O-Ring .. 2
29 37-P-39 Return Spring .............. 1
328895X Piston & Cylinder Assembly (Includes items 30-32)
30 28-P-121 Block Vee Ring............. 1
328676X Piston Assembly (Includes items 31 and 32) ...........
31 379133 Piston .... 1
32 378856 Wiggler Wire ................ 1
33 378760 Clutch Back Up Cylinder ... 1
34 378576 Retaining Ring ............. 1
Output Gear Assembly (Includes items 35 and 36)
329005-11X / 12X “B” Ratio / “B” Ratio Super Torque
329005-1X / 6X “D” Ratio / “D” Ratio Super Torque
329005-2X / 7X “G” Ratio / “G” Ratio Super Torque
329005-13X / 15X “M” Ratio / “M” Ratio Super Torque
329005-14X / 16X “S” Ratio / “S” Ratio Super Torque
329005-5X / 10X “T” Ratio / “T” Ratio Super Torque
35 See Chart Pg. 14 Output Gear ............... 1
36 560972 Needle Bearing .......... 1
37 31-P-70 Thrust Washer ............. 1
38 379746 Retaining Ring ............. 1
39 4-P-147 Spacer, Drive Shaft ..... 1
40 550010 Ball Bearing ................. 1
Item Part Number
Description Quantity
41
See Chart Pg. 14
Bearing Cap/Pump Flange 1
42
378895
Retaining Ring ............. 1
43
378576
Retaining Ring ............. 1
44
28-P-225
Oil Seal . 1
45
500007-29
Woodruff Key ............... 1
46
22-P-101
Gasket, Bearing Cap ... 1
47
378447-8
Socket Head Capscrew (.312"-18 x 1.500") 4
48
379659
Run Tee, Pressure Lube Only ....... 1
49
379660
Steel Tubing, Pressure Lube Only . 1
50
379231
Pipe Plug .125"-27 NPTF, w/o E.O.C. Only .. 1
51
379242
O-Ring Boss Plug, w/o E.O.C. Only ........ 1
52
28-P-171
O-Ring, w/ E.O.C. Only..... 1
53
379243
Speed Sensor, w/ E.O.C. Only ..... 1
54
379502
Pressure Switch Assembly 1
55
379486
Straight Thread Connector 90°..... 1
56
35-P-74
Mounting Gasket ......... 1
7170-107X
Stud Kit (Includes items 57 and 58) ...... 1
57
379428-18
Stud, M10-1.5 & .375-24 x 2.000 2
58
379453-10
Ferry Capscrew (M10-1.5 x 35mm) ...... 8
N.S.
379486
90° Elbow Fitting w/ O-Ring ........ 1
N.S.
379744
Flange Nut, .375-24 ... 2
R1
379486
Straight Thread 90° Elbow 1
N.S. — Not Shown
278X***R-*3** 278X***P-*3*
55
See Hose Chart Pages 16 & 17
55
R1
See Hose Chart Pages 16 & 17
Item Part Number Description Quantity PARTS SHIPPED LOOSE
379486
90° O-Ring Connector . 1
328748X
Pump Mounting Kit, For “XR” Pump Only .... 1
328948-9X
Gasket & Installation Instructions.. 1
329024-12X
Installation Kit 12V, Less E.O.C. ... 1
329024-24X
Installation Kit 24V, Less E.O.C. ... 1
329076X
Installation Kit 12V, With E.O.C. .... 1
328924-12X
Control Box 12V, With E.O.C. ........ 1
328924-24X
Control Box 24V, With E.O.C. ........ 1
SERVICE KITS
329071-19X
Gasket & Seal Kit ........ 1
329071-33X
Gasket & Seal Kit (“XY” Output Only) ..... 1
329071-5X
Bearing Kit ................... 1
329071-7X
Clutch Repair Kit ......... 1
329175-12X
E.O.C. Field Conversion Kit 12V, Remote Valve ....... 1
329175-24X
E.O.C. Field Conversion Kit 24V, Remote Valve ....... 1
Gear Chart
ModelNumber Input Gear Part Number Item No. 4 Number Teeth Lg/Sm Output Gear Item No. 35 Gear & Bearing Sub-assembly Items 35 & 36
Part Number Number Teeth
278XBFJ 278XDFJ 278XGFJ 278XMFJ 278XSFJ 278XTFJ SUPER TORQUE278SBFJ 278SDFJ 278SGFJ 278SMFJ 278SSFJ 278STFJ . 5-P-912 5-P-913 5-P-914 5-P-915 5-P-1173 5-P-1409 5-P-1350 5-P-1293 5-P-1225 5-P-1351 5-P-1278 5-P-1410 50/25 50/28 50/31 50/35 50/39 50/42 50/25 50/28 50/31 50/35 50/39 50/42 2-P-811 2-P-688 2-P-684 2-P-814 2-P-815 2-P-756 2-P-812 2-P-800 2-P-790 2-P-816 2-P-817 2-P-789 50 47 44 40 36 33 50 47 44 40 36 33 329005-11X 329005-1X 329005-2X 329005-13X 329005-14X 329005-5X329005-12X 329005-6X 329005-7X 329005-15X 329005-16X 329005-10X
Output Shaft Chart
Model Number Output Shaft Item No. 24 Output Shaft & Clutch Ass’y No. Bearing Cap/Pump Flange Item No. 41 Oil Seal Item No. 44 Pump Flange
278*-***XD 278*-***XK 278*-***XP 278*-***XR 278*-***XY 278*-***XX 278*-***XP 278*-***AF 278*-***RA 278*-***RB 278*-***RF 3-P-831 3-P-832 3-P-832 3-P-833 3-P-852 3-P-853 3-P-832 3-P-892 3-P-833 3-P-833 3-P-925 329006-1X 329006-2X 329006-2X 329006-3X 329006-4X 329006-5X 329006-2X 329006-6X 329006-3X 329006-3X 329006-8X 21-P-480 21-P-482 21-P-568 21-P-484 21-P-524 21-P-480 21-P-568 21-P-576 21-P-484 21-P-484 21-P-484 28-P-225 28-P-225 28-P-225 28-P-225 28-P-230 28-P-225 28-P-225 28-P-225 28-P-225 28-P-225 28-P-225 21-P-628 21-P-572 21-P-628
278 Model Designation 277/278 Series
Model Number Designation
BASIC MODEL
278
MOUNTING TYPE X = Standard Mounting S = Super Torque.
GEAR RATIO B = 25/50 D = 38/47 G = 31/44 M = 35/41 S = 39/37 T = 42/33
INPUT GEAR DESIGNATOR
LUBRICATION P = Pressure Lube R = Valve Cap Rotated 120°
P.T.O. Housing Dimensions 278XGFJP -B3XD
OUTPUT TYPE XD = 1.250" RD Std. Shaft XK = S.A.E. “B” 2 or 4 Bolt XP = S.A.E. “A” 2 Bolt XR = CHELSEA Special AF = S.A.E. “BB” 2 or 4 Bolt RA = Rotatable S.A.E. “B” 2 Bolt RB = Rotatable S.A.E. “B” 4 Bolt XY = DIN 5462 XX = DIN 100 RF = Rotatable S.A.E. “BB” 2 Bolt RG = Rotatable S.A.E. “BB” 4 Bolt
ASSEMBLY ARRANGEMENT
*3* - Gear Forward, Shaft Rear, Bulge Straight Up Both Sides
SHIFTER TYPE B = 12V Hydraulic Valve D = 24V Hydraulic Valve G = 12V Remote Valve without E.O.C. H = 24V Remote Valve without E.O.C. K = 12V Hydraulic Valve with E.O.C. L = 24V Hydraulic Valve with E.O.C. M = 12 Volt without Installation Kit - 329024-12X N = 24 Volt without Installation Kit - 329024-24X
7.70"
[196]
4.57"
[116]
1.451"
[36.86]
.82"
[21]
5.136"
7.04"
[179][130.45]
Bulletin HY25-2277-M1/US Parts List
278 Installation 277/278 Series
Shift Installation Kit Without Electronic Overspeed Control (SK-347)
63
Red Wire
66
Blue Wire
Red Wire
Cab or Frame
Red Wire Black Wire 64
61
White
67
60 65
62
Transmission High
Pressure Point
See Hose Chart Ignition or Battery
379486 90° Fitting To Transmission MD-Left or Right Side HD-Left Side Only
"R" Lubrication Option 278 Series
Trans. PTO Side Hose Part# Comments
MD LEFT 329130-5X 26.5" w/o Hose Clamp (Lube Option “P”) Pressure Lube
MD RIGHT 329075-1X 26.5" w/ Hose Clamp (Lube Option “P”) Pressure Lube
HD LEFT 329130-4X 22.0" w/o Hose Clamp (Lube Option “P”) Pressure Lube
HD TOP RIGHT 329075-2X 42.0" w/ Hose Clamp (Lube Option “P”) Pressure Lube
MD LEFT 329130-5X 26.5" w/o Hose Clamp (Lube Option “R”) Valve Cap Rotated 120°
MD RIGHT 329075-1X 26.5" w/ Hose Clamp (Lube Option “R”) Valve Cap Rotated 120°
HD LEFT 329130-5X 26.5" w/o Hose Clamp (Lube Option “R”) Valve Cap Rotated 120°
HD TOP RIGHT 329075-4X 47.0" w/ Hose Clamp (Lube Option “R”) Valve Cap Rotated 120°
Item Part Number Description Quantity
329024-12X 12 Volt Shift Installation Kit 1
329024-24X 24 Volt Shift Installation Kit 1
59 378881 Switch ... 1
60 378884 Fuse, 9 Amp ................ 1
61 378978 Indicator Light, 12 Volt . 1 or
379005 Indicator Light, 24 Volt . 1
62 379257 Connector, Splice ........ 1
63 379265 Grommet ...................... 1
64 379306 Fork Connector ............ 3
65 379336 Bracket .. 1
66 379504 Valve Connector & Wire .... 1
67 379502 Pressure Switch........... 1
16 Parker Hannifin Corporation Chelsea Products Division Olive Branch, MS 38654 USA
Bulletin HY25-2277-M1/US Parts List
278 Installation 277/278 Series Shift Installation Kit With Electronic Overspeed Control (SK-348)
69
379504 Valve
Ground to Cab or Frame 68 Connector and Wire Assembly
Positive Terminal of
Ignition or Battery Electrical
Blue Wire Ground of
Accepts .25" Accepts #10 Screw Cab or Frame
Screw 9 Amp Fuse
Red Wire Black Wire
Green Wire Speed Pick Up 70
52
72
53
See Hose Chart
73 379486 90° Fitting MD-Left or Right Side HD-Left Side Only
"R" Lubrication Option 278 Series
Trans. P.T.O. Side Hose Part# Comments
MD LEFT 329130-5X 26.5" w/o Hose Clamp (Lube Option “P”) Pressure Lube
MD RIGHT 329075-1X 26.5" w/ Hose Clamp (Lube Option “P”) Pressure Lube
HD LEFT 329130-4X 22.0" w/o Hose Clamp (Lube Option “P”) Pressure Lube
HD TOP RIGHT 329075-2X 42.0" w/ Hose Clamp (Lube Option “P”) Pressure Lube
MD LEFT 329130-5X 26.5" w/o Hose Clamp (Lube Option “R”) Valve Cap Rotated 120°
MD RIGHT 329075-1X 26.5" w/ Hose Clamp (Lube Option “R”) Valve Cap Rotated 120°
HD LEFT 329130-5X 26.5" w/o Hose Clamp (Lube Option “R”) Valve Cap Rotated 120°
HD TOP RIGHT 329075-4X 47.0" w/ Hose Clamp (Lube Option “R”) Valve Cap Rotated 120°
Item Part Number Description Quantity
329076X Shift Installation Kit ...... 1
68 379257 Connector, Splice ........ 1
69 379265 Grommet ...................... 1
70 379502 Pressure Switch........... 1
71 379504 Valve Connector & Wire .... 1
N.S.
379252 Butt Connector............. 1
N.S.
379061 Wire Tie. 6
72 328924-12X Chelsea E.O.C., 12 Volt ..... 1 328924-24X Chelsea E.O.C., 24 Volt ..... 1 329175-12X E.O.C. Field Conversion Kit, 12 Volt
(Includes 329076X and items 52, 53 and 72) 329175-24X E.O.C. Field Conversion Kit, 24 Volt (Includes 329076X and items 52, 53 and 72) 73
SPEED SENSOR EXTENSION CABLE* 328923-10X 10' Extension Cable, Supplied with E.O.C. .. 1 or 328923-5X 5' Extension Cable, Optional
* Run cable through grommet in firewall
N.S. — Not Shown
Shift Installation Kit With Remote Solenoid (SK-349)
Trans. P.T.O. Side Hose Part# Comments
MD Left 329130-5X 26.5" w/o Hose Clamp
MD Right 329075-1X 26.5" w/ Hose Clamp
HD Left 329130-5X 26.5" w/o Hose Clamp
HD Top Right 329075-4X 47.0" w/ Hose Clamp
Item Part Number Description Quantity
329237-12X 12 Volt Shift Installation Kit
329237-24X 24 Volt Shift Installation Kit
74 329230X Connector Wire ............ 1
75 329231X Valve Connector & Wire .... 1
76 378881 Switch ... 1
77 378884 Fuse Holder, 9 Amp ..... 1
78 378978 Indicator Light, 12 Volt . 1 or
379005 Indicator Light, 24 Volt . 1
79 379252 Butt Connector ............. 2
80 379257 Splice Connector ......... 1
81 379258 Mounting Bracket, Solenoid .......... 1
82 379265 Grommet ...................... 1
83 379306 Fork Connector ............ 3
84 379336 Name & Plate Bracket . 1
85 379449 Male Connector ........... 2
86 379502 Pressure Switch ........... 1
87 379686-1 Solenoid Valve, 12 Volt 1 or
379686-2 Solenoid Valve, 24 Volt 1
88 500357-7 Lockwasher .................. 2
89 500457-6 Mounting Screw (.790"-32x.438") . 2
90 329075X Hose Assembly ............ 1
91 329130-1X Hose Assembly ............ 1
92 379486 90° Fitting (Install in Transmission High Pressure Port) .................. 1
93 See Hose Chart Pressure Lube Hose Assembly ..... 1
Item Part Number Description Quantity
329160-21X “XK” Output
329160-22X “XR” Output
329160-23X “XP” Output
329160-25X “AF” Output
329160-37X “RA” Output
329160-38X “RB” Output
329160-39X “RF” Output
329160-45X “RG” Output
17 28-P-119 Oil Seal, High Pressure ..... 1
19 378849 Retaining Ring ............. 1
20 22-P-112 Gasket, Valve Cap ....... 1
23 379746 Retaining Ring ............. 1
24 3-P-832 Output Shaft, XK & XP Outputs .... 1 or
3-P-833 Output Shaft, XR, RA, & RB Outputs ...... 1
3-P-925 Output Shaft, RF Output ... 1
3-P-892 Output Shaft, AF Output .... 1
28 28-P-244 O-Ring .. 2
30 28-P-121 Block -V- Ring .............. 1
34 378576 Retaining Ring ............. 1
38 379746 Retaining Ring ............. 1
41 21-P-482 Bearing Cap, XK Output .... 1 or
21-P-484 Bearing Cap, XR Output .... 1
21-P-568 Bearing Cap, XP Output .... 1
21-P-576 Bearing Cap, AF Output .... 1
N.S. 21-P-572 Pump Flange, RB & RG Output & 21-P-484 Brg. Cap .................... 1
N.S. 21-P-628 Pump Flange, RA & RF Outputs & 21-P-484 Brg. Cap ................... 1
43 378576 Retaining Ring ............. 1
44 28-P-225 Oil Seal . 1
46 22-P-101 Gasket, Bearing Cap ... 1
47 378447-8 Socket Head Capscrew (.3125"-18 x 1.500") ........... 4
N.S. 378447-6 Socket Head Capscrew (.3125"-18 x 1.000")(Rotatable Flange) .... 4
N.S. 328748X Pump Mounting Kit, XR Output ..... 1
Pump Flange Suffix Bolt Circle Diameter Bolt Holes FC FD FE FF FH Output Shaft
Tapered Hole Diameter No. Equally Spaced Female Pilot of Shaft Pilot Depth Hole Face to End of P.T.O. Face Thru Face to Center Hole Diameter Keyway Width
AF 5.000 .500-13 4 4.003 0.406 2.060 7.304 1.000-15 Spline
5.750 .500-13 2
XK 5.000 .500-13 4 4.003 0.406 0.562 1.940 6.410 .875-13 Spline -
5.750 .500-13 2
XP 4.188 .375-16. 2 3.253 0.344 0.562 1.940 6.410 .875-13 Spline -
XR 3.710 .312-18. 4 2.752 0.281 N/A N/A 5.860 .875-13 Spline
XY 3.150 M12x1.75 4 3.152 0.394 0.55 2.250 9.030 1.420-8 Spline
XX* N/A N/A N/A N/A N/A N/A N/A N/A 1.250 SAE Taper 0.3125
RA 5.750 4 x .500-13 4 4.003 0.406 0.574 2.056 7.605 .875-13 Spline
RF 5.750 4 x .500-13 2 4.003 0.406 0.574 2.056 7.605 1.000-15 Spline
RG 3.552 4 x .500-13 4 4.003 0.406 0.574 2.060 7.610 1.000-15 Spline
RB 3.552 4 x .500-13 4 4.003 0.406 0.574 2.060 7.610 .875-13 Spline
* Requires customer supplied companion flange, Spicer part number 3-1-604.
Rotatable Flange Rotates in 30° Increments
Flange has two sets of holes offset 14°
.Hole tapped .750" deep
CAUTION: All pump mounting dimensions shown are compiled to conform to S.A.E. standards; however it shall be the responsibility of the user to determine the correct fit at the time the pump is mounted to the P.T.O. Therefore carefully check the shaft and key or spline engagement.
NOTE: Apply a generous amount of spline lubricant part number 379688 to the inside of shaft. Must cover tooth space.
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