Simplicity 653 Operator's Manual page 23

HYDROSTATIC
TYPE
LUBRICATION AND WORKING FLUID
(INDEPENDENT SYSTEM)
TEMPERATURE PROTECTION
IDENTIFICATION
DISCONNECT (PUSHING)
SPEEDS (STEPLESS HOLDS
SOFT RIDE VALVE
PROTECTION
GEAR REDUCTION UNIT (HOUSING)
GEARS and BEARINGS
LUBRICATION
VARIABLE SPEED
MAKE
TYPE
SPEED RANGE (7 STEPS EACH GEAR)
CONSTRUCTION -HOUSING
GEARS
BEARINGS
LUBRICATION
TRANSMISSION
POSITION)
TRANSMISSION
1st GEAR
2nd GEAR
3rd GEAR
REVERSE
Piston to Piston
Type A Automatic Transmission
Oil Cooler with Fan and Cold Weather By-Pass Valve
Sliding Gear
V-Belt Idler Drive
O-7 MPH Forward, O-4 MPH Reverse
Fast Acting (No Spring Change Required for Tilling)
High Pressure Relief Valve: Filter
Cast Iron Housing
Hardened Spur Gears, Rolling Contact Bearings
SAE 90 Gear Oil - l-l/Z Quarts
Simplicity
Synchronized Variable Speed Sheaves and 3 Speed
Spur Gear Transmission
2.04 to 3.65 MPH
3.36 to 6.1 MPH
1.73 to 3.14 MPH
Cast Iron
Hardened Spur Gears
Rolling Contact
SAE 90, Capacity l-314 Quarts
21