Section 3 - Specifications - Scag Power Equipment STT-31BSG Operator's Manual

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