Genuine OEM Grasshopper® Mower Parts Diagrams
Hydrostatic 771 Transmission (Transaxle) • Main Housing Assembly
for Series 600 Front-Mount Tractors (except 618)
Click On a Part Number Below for Details
NOTE: If the part number you select is not linked to the shopping cart,
call toll-free 866-698-4070 for availability.
Item # |
Description |
Part Number |
1 |
Valve Cover |
103734 |
2 |
Oil Filter Gasket Assembly |
603605 |
3 |
Valve Cover Gasket |
420343 |
4 |
Torsion Spring |
284409 |
5 |
Dump Valve Bracket |
284704 |
6 |
O-Ring .437 ID x .062 |
126526 |
7 |
O-Ring |
126537 |
8 |
Dump Valve Fitting |
103740 |
9 |
O-Ring .549 ID x .103 |
126530 |
- |
O-Ring .362 ID x .103 |
126525 |
10 |
Backup Ring .577 ID x .086 x .053 |
126636 |
- |
Backup Ring .390 ID x .562 x .053 |
126630 |
11 |
Dampening Piston Assembly .750 |
103727 |
- |
Dampening Piston Assembly .562 |
103719 |
12 |
Pump Rotor Assembly - Non Charged |
103778 |
13 |
Drive Input |
103745 |
14 |
Ring Cam S/A |
103777 |
15 |
Cup Bearing |
123758 |
16 |
Control Shaft |
103748 |
17 |
Ring Cam Insert |
103720 |
18 |
Pump Cover Gasket |
420341 |
19 |
Wear Plate |
103718 |
20 |
Pump Cover with Input Shaft |
103769 |
21 |
Machine Screw |
250296 |
22 |
Seal |
125170 |
23 |
Seal |
125250 |
24 |
Input Shaft |
103738 |
25 |
Ball Bearing .670 x 1.575 |
120054 |
26 |
External Retainer |
263524 |
27 |
Internal Retainer |
263175 |
28 |
Reservoir Assembly |
421996 |
29 |
Reservoir Cap |
421998 |
30 |
Reservoir Diaphragm |
421999 |
31 |
Reservoir Body |
421997 |
- |
Reservoir to Hydro Gasket |
420350 |
32 |
Hex Head O-Ring Plug |
103735 |
33 |
not available |
000000 |
34 |
Check Valve Assembly |
603223 |
35 |
O-Ring Boss Plug |
103739 |
- |
O-Ring .351 ID x .072 |
126524 |
36 |
Reservoir to Hydro Gasket |
420350 |
return to 770/771 Transmission index page
 return to top of page
|