Specs, Service, and Problems of Skid Steers and Track Loaders

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Compact Track Loaders / ASV Compact Track Loaders / ASV RT120 Forestry

ASV RT120 Forestry Track Track Loader Specifications

The ASV RT-120 Forestry compact track loader is powered by 232 cu.in (3.8L) Cummins QSF3.8 vertical 4-cylinder turbocharged intercooled diesel engine with a rated power of 120 hp (89.5 kW) at 2800 rpm. The ASV RT120F is equipped with a two-speed hydrostatic transmission, radial-lift loader boom, 20" (505 mm) rubber tracks, and elevated track drive sprockets. The hydraulic system has an axial-piston pump with fluid flow rate of 20 gpm (75.7 lpm). The hydraulic pressure is 3300 psi (227 bar). The track loader has a rated operating capacity of 3745 lbs (1700 kg) and tipping load of 10700 lbs (4855 kg). The maximum lift height is 125" (3175 mm) to hinge pin.

Engine Specs

Engine Model ...................... Cummins QSF3.8
Engine Type ...................... Vertical 4-cycle turbocharged intercooled diesel
Number of Cylinders ...................... 4, in-line
Displacement, cu.in (L) ...................... 232 3.8)
Cylinder Bore, in (mm) ...................... 4.02 (102.0)
Piston Stroke, in (mm) ...................... 4.53 (115.0)
Aspiration ...................... Turbocharged
Rated Engine Power, hp (kW) ...................... 120.0 (89.5)
Rated Engine Speed, rpm ...................... 2800
Maximum Torque, Nm (lb-ft) ...................... 488 (360)
Torque Speed, rpm ...................... 1800
Compression Ratio ...................... 17.2:1
Firing Order ...................... 1-3-4-2
Fuel System ...................... High pressure common rail
Lubricating System ...................... Forced lubrication by gear pump
Cooling System ...................... Engine-driven fan and radiator
Air Cleaner Type ...................... Three-stage
Fuel Tank Capacity, gal (L) ...................... 30.0 (114.0)
Oil Capacity, qts (L) ...................... 12.0 (11.4)
Coolant Capacity, qts (L) ...................... 22.0 (20.8)
Electrical System Rating, Volts ...................... 12
Charging System ...................... Alternator
Alternator Rating, Amps ...................... 120

Drive Train

Drive System Type ...................... Hydrostatic direct drive
Number of Gears ...................... 2 (low/high)
Pump Type ...................... Axial-piston
Brakes Type ...................... Hydraulic wet disc
Forward Speed (Low), mph (kph) ...................... 6.1 (9.7)
Forward Speed (High), mph (kph) ...................... 10.0 (16.0)
Reverse Speed (Low), mph (kph) ...................... 6.1 (9.7)
Reverse Speed (High), mph (kph) ...................... 10.0 (16.0)

Undercarriage

Tracks Type ...................... Rubber with embedded co-polymer cords and all-purpose treads
Track Width, in (mm) ...................... 20 (505)
Ground Pressure, psi (Bar) ...................... 4.3 (0.297)
Track Drive Sprockets ...................... Elevated with low-friction replaceable sprockets
Track Rollers (per Side) ...................... 24 high-density polyurethane and rubber rollers
Track Rollers Diameter (Front), in (mm) ...................... 15 (385)
Track Rollers Diameter (Middle and Rear), in (mm) ...................... 10 (255)
Undercarriage Suspension ...................... Two independent torsion axles

Hydraulic System

Hydraulic System Type ...................... Load-sensing
Hydraulic Pump Type ...................... Variable displacement, axial piston
Pump Flow (Standard), gpm (Lpm) ...................... 20 (75.7)
Pump Flow (High Flow), gpm (Lpm) ...................... 30-45 (114-170)
System Pressure (Standard), Bar (psi) ...................... 227 (3300)
System Pressure (High Flow), Bar (psi) ...................... 280 (4060)
Hydraulic Tank Capacity, gal (L) ...................... 22.0 (83.5)
Number of Valves ...................... 3

Loader Performance

Rated Operating Capacity (35% tipping load), lbs (kg) ...................... 3745 (1700)
Rated Operating Capacity (50% tipping load), lbs (kg) ...................... 5350 (2427)
Tipping Load, lbs (kg) ...................... 10700 (4855)
Loader Boom Type ...................... Radial-lift

Dimensions and Weight

Length (Track On Ground), in (mm) ...................... 71 (1805)
Length (w/o Bucket), in (mm) ...................... 131 (3325)
Length (Bucket On Ground), in (mm) ...................... 163 (4135)
Height (Operator Cab), in (mm) ...................... 90 (2275)
Width (Max, w/o Bucket), in (mm) ...................... 73 (1855)
Width (Min, w/o Bucket), in (mm) ...................... 33 (840)
Height to Hinge Pin (Fully Raised), in (mm) ...................... 125 (3175)
Dump Angle At Max Height, deg ...................... 45
Dump Height (Fully Raised), in (mm) ...................... 91 (2310)
Dump Reach At Max Height, in (mm) ...................... 24 (610)
Rollback Angle At Ground Level, deg ...................... 25
Departure Angle, deg ...................... 29
Bucket Width, in (mm) ...................... 84 (2130)
Ground Clearance, in (mm) ...................... 15 (380)
Shipping Weight, lbs (kg) ...................... 11380 (5160)
Operating Weight, lbs (kg) ...................... 12255 (5560)

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