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7 Transmission Repair
7C Tuff Torq K60
TUFF TORQ K60 HYDROSTATIC
TRANSAXLE
General
The Tuff Torq model K60 consists of an axial piston
design pump and motor. Both utilize spherical nosed pis-
tons rotating against angled swash plates. The motor dri-
ves a pinion shaft, which drives the final differential gear,
and rear axles.
The level of cleanliness maintained while repairing the
transaxle could affect its performance. Work in a clean
area. Before removing transaxle from tractor, steam
clean or pressure wash all debris from surrounding area.
After disassembly, wash all parts with clean solvent and
blow parts dry with compressed air.
Figure C–1. Tuff Torq K60 Hydrostatic Transmission
Inspect all mating surfaces. Replace any damaged parts
that could cause internal leakage. Do not use emery
paper, files, or grinders on finished parts.
NOTE: Whenever a transaxle is disassembled, our ser-
vice policy is to replace all seals. Lubricate the new seals
with petroleum jelly before installation. Use only clean,
recommended fluid on the finished surfaces at reassem-
bly.
Shift Rod
Control Cam
Shift Lever
Return To Neutral Cam
Fulcrum Shaft
Torque Strap
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