198 S850 Operation & Maintenance Manual
(S850) LOADER SPECIFICATIONS (CONT’D)
Drive System
Controls
Main Drive Fully hydrostatic, 4-wheel drive
Transmission Infinitely variable tandem hydrostatic piston pumps, driving two fully reversing
hydrostatic motors
Final Drive Pre-stressed #120 HSOC endless roller chain (no master link) and sprockets in
sealed chaincase with oil lubrication (Chains do not require periodic
adjustments) Two chains per side with no idler sprocket
Axle Size 79,4 mm (3.13 in), Heat treated
Wheel Bolts Eight - 16 mm Wheel bolts fixed to axle hubs
Vehicle Steering Direction and speed controlled by two hand operated steering handles or
optional joystick(s)
Loader Hydraulics
- Lift and Tilt
- Front Auxiliary
- Rear Auxiliary (Option)
Controlled by separate foot pedals or optional Selectable Joystick Controls (SJC)
Controlled by electrical switch on Right Hand steering handle or joystick
Controlled by electrical switch on Left Hand steering handle or joystick
Auxiliary Pressure Release Pressure relieved through quick couplers; Push couplers in, hold for 5 seconds
Engine Hand lever speed control, additional foot operated speed control pedal with SJC
option; key-type start switch or optional Keyless Start Panel or optional Deluxe
Instrumentation Panel and function error shutdown.
Starting Aid Air Intake Heater - Automatically activated as needed in RUN position
Service Brake Two independent hydrostatic systems controlled by two hand operated steering
handles or optional joystick(s)
Secondary Brake One of the hydrostatic transmissions
Parking Brake (Standard) Spring applied pressure release multi-disk brake activated by manually operated
switch on left instrument panel
Dealer Copy -- Not for Resale
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