8
SPECIFICATIONS
SCAG "SABRE TOOTH TIGER" ZERO-TURN RIDER
MODEL: STT-31BSG
ENGINE
General Type:
Heavy duty industrial commercial
Brand:
Briggs Daihatsu Vanguard Liquid Cooled 31 HP
Model:
DM950G
Horsepower:
31HP @ 3600 RPM
Type:
Water cooled 4 cycle, overhead valve, 3 cylinder, gas engine
Displacement:
952 cc
Cylinders:
3 inline sleeves
Governor:
High-speed flyweight governor, runs faster than engine crankshaft, provides precision speed
governing and a steady low idle, 3600 rpm (±100 rpm), idle set at 1500 rpm.
Air Intake Group:
Canister type air filter system.
Exhaust Group:
Single exhaust canister muffler.
Fuel Pump Group:
Electric fuel pump with mechanical choke and fuel shutdown solenoid.
Oil Pump Group:
Positive displacement Geroter™ oil pump with remote oil filter, capacity 3.2 U.S. quarts
(3.0 ltrs) with oil filter.
Valve Group:
Overhead.
Electrical/Charging System:
12 volt battery with alternator, solid state ignition with key start, 40 amp regulated charging
system using a microprocessor and one ignition coil for each cylinder, solenoid shift type
starter.
ENGINE DECK
Fuel Tank:
10 gallon (38.0 liters) seamless polyethylene tank with fuel gauge gas cap.
Drive Wheels/Tires:
24 x 12-12 four ply pneumatic tubeless, radius edge, offset rims to improve operator's view.
Parking Brake:
Lever operated interlocked parking brake prevents operation with parking brake engaged.
Frame:
Compact tractor frame with structural steel tubing construction.
DRIVE SYSTEM
Type:
Hydro drive with two variable displacement pumps and two cast iron motors for independent control
of each drive wheel.
Hydro Pumps:
Two Hydro-Gear Model BDP 21L pumps with dump valves for movement without running engine.
Drive Wheel Motors:
Two 23 cubic inch cast iron high torque wheel motors.
Transmission Belt Idler:
Self adjusting, self tightening, sealed bearings.
Hydro Fluid Cooling Group:
6 qt. capacity Nylon fluid reservoir. Uses SAE 20W50 fluid and 10 micron filter.
Steering/Travel Control:
Twin lever fingertip steering control with gas shock dampeners for smooth, responsive control to
each wheel.
Axles:
1-1/4" heavy duty, tapered, motor shafts.
Wire Harness:
14 gauge wire.
Safety Group:
Seat actuated engine kill, neutral interlock, mower engagement (BBC) switch, parking brake.
Instrument Panel:
Voltmeter, water temperature gauge, oil pressure gauge, key switch, throttle, fuses, manual choke, BBC
switch (hourmeter located at rear of machine).
Forward Ground Speed Range: 0 to 10.5 mph.
Reverse Ground Speed Range: 0 to 5.0 mph.
Note: The machine will travel at 10.5 mph for transport purposes. For best cutting performance the
forward travel speed should be adjusted depending upon the cutting conditions.
Section 3