Section 3 - Specifications; Engine Deck; Drive System - Scag Power Equipment STT-31BSD Operator's Manual

ENGINE
General Type:
Brand:
Model:
Horsepower:
Type:
Displacement:
Cylinders:
Governor:
Air Intake Group:
Exhaust Group:
Fuel Injection:
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:
Reverse Ground Speed Range:
Date of Issue: October, 2004
Specifications Subject To Change Without Notice
SPECIFICATIONS
SCAG "SABRE TOOTH TIGER" ZERO-TURN RIDER
MODEL: STT– 31BSD
Heavy Duty Industrial/Commercial Turbo Charged Diesel
Briggs Daihatsu Vanguard Liquid Cooled 31 HP
DM950D
31 HP @ 3600 RPM
water cooled 4 cycle, overhead valve, 3 cylinder, diesel engine
952cc
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 1700 rpm
Canister type air filter system.
Single exhaust canister muffler
Distributor injection pump
Positive displacement Gerotor™ 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, solenoid shift type starter
10 gallon (38.0 litres) seamless polyethylene tank with fuel gauge cap
24x12-12 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, BBC
switch (hourmeter located at rear of machine), glow plug indicator, water separator
indicator
0 to 10.5 mph
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 on the
cutting conditions.
10
Section 3