32 Parts List
Models 664D & E666M
TRANSMISSION HOUSING, COVERS, SEALS, GASKETS, PLUGS
1721-04031 Oil Seal (Double Lip), Wheel Shaft...... 2
2 1105620 Pipe Plug, 1/4, ................................... 2
3721-04001 Seal, Transmission Bore..................... 1
41186329 Hex Flange Screw, 5/16-18 x 3/4*...... 6
5721-04044 Oil Seal, Input Pinion Shaft................. 1
6GW-20910 Transmission Cover............................ 1
7GW-20694 Gasket, Transmission Top Cover ........ 1
8619-04010 Transmission Case Assy..................... 1
9 GW-9467 Plug.................................................... 1
10 GW-20889 Mounting Plate, Wheel Clutch Cable ... 1
11 721-04035 Oil Seal, Tiller Shaft............................. 2
12 710-04049 Housing Cover, left side ...................... 1
15 1915069 Self-Sealing Screw, 1/4-20 x 7/8 ........ 3
16 GW-1115 Rear Bearing Cap................................ 1
17 GW-1124-2 Gasket, Rear Bearing Cap, .010"
Thick............................................... A/R
18 GW-90063 Hex Flange Screw, 5/16-18 x 1* ......... 4
19 1915068 Self-Sealing Screw, 1/4-20 x 5/8........ 5
21 736-0169 Lockwasher, 3/8.................................. 2
22 710-0216 Hex Hd. Screw, 3/8-16 x 3/4*............. 2
REF. PART
No. No. DESCRIPTION QTY.
REF. PART
No. No. DESCRIPTION QTY.
* Specify GRADE 5 if ordering part locally.
A/R – As Required
NOTE 1: These screws are a special sealing screw
that cannot be reused without risking the loss of
transmission oil. If these screws are loosened or
removed, they must be replaced with new screws.