Gehl RT185 Track Loader Specifications

The Gehl RT185 compact track loader driveline system components: a 202.5 cu.in (3.3L) Yanmar 4TNV98C 4-cylinder direct injection diesel engine with a rated power of 69.3 hp (51.7 kW), and 2-speed hydrostatic transmission. The hydraulic system has a pump with a rated flow of 18.5 gpm (70 lpm). The system pressure is 3000 psi (207 bar). The Gehl RT185 is equipped with a radial-lift loader boom, 17-tooth drive sprockets, and undercarriage with 12.6" (320 mm) rubber tracks. The loader has a maximum lift height of 127.5" (3240 mm) to hinge pin and dump height of 98" (2490 mm). The rated operating capacity is 1850 lbs (840 kg), and tipping load is 5286 lbs (2400 kg).

Engine Specs

Engine Model ...................... Yanmar 4TNV98C
Engine Type ...................... 4-cylinder vertical in-line liquid-cooled diesel
Number of Cylinders ...................... Four
Displacement, cu.in (L) ...................... 202.5 (3.32)
Cylinder Bore, in (mm) ...................... 3.86 (98.0)
Piston Stroke, in (mm) ...................... 4.33 (110.0)
Aspiration ...................... Naturally aspirated
Rated Engine Power, hp (kW) ...................... 69.3 (51.7)
Rated Engine Speed, rpm ...................... 2500
High Idle Speed, rpm ...................... 2750
Maximum Torque, Nm (lb-ft) ...................... 241 (178)
Torque Speed, rpm ...................... 1625
Compression Ratio ...................... 18.5:1
Firing Order ...................... 1-3-4-2
Fuel System ...................... Direct injection
Fuel Filter Type ...................... Replaceable element
Lubrication System ...................... Forced with trochoid pump
Cooling System ...................... Liquid-cooled with radiator
Air Cleaner Type ...................... Dry dual element
Emission Level ...................... Final Tier 4
Fuel Tank Capacity, gal (L) ...................... 24.0 (91.0)
Engine Oil Capacity, qts (L) ...................... 11.0 (10.4)
Cooling System Capacity, qts (L) ...................... 14.0 (13.3)
Electrical System Rating, Volts ...................... 12
Charging System ...................... Alternator
Alternator Rating, Amps ...................... 100

Drive Train

Drive System Type ...................... Hydrostatic, rubber track drive
Number of Gears ...................... 2 (low/high)
Drive Motor Type ...................... Axial-piston with planetary gearbox reduction
Brakes Type ...................... Hydraulic disc
Motor Gearbox Capacity, qts (L) ...................... 1.1 (1.0)
Forward Speed (Low range), mph (kph) ...................... 5.9 (9.5)
Forward Speed (High range), mph (kph) ...................... 8.8 (14.2)
Reverse Speed (Low range), mph (kph) ...................... 5.9 (9.5)
Reverse Speed (High range), mph (kph) ...................... 8.8 (14.2)

Undercarriage

Tracks Type ...................... Rubber and steel reinforcement
Track Tension System ...................... Automatic
Track Width, in (mm) ...................... 12.6 (320)
Ground Pressure, Bar (psi) ...................... 0.434 (6.3)
Tractive Effort, lbs (kg) ...................... 10220 (4635)
Drive Sprockets Type ...................... 17-tooth, forged
Track Rollers Type ...................... Steel rollers
Number of Rollers on Each Side ...................... 4

Hydraulic System

Hydraulic System Type ...................... Open center
Hydraulic Pump Type ...................... Axial-piston pump
Pump Capacity (Standard), gpm (Lpm) ...................... 18.5 (70.0)
Pump Capacity (High Flow), gpm (Lpm) ...................... 34.0 (128.8)
System Pressure, Bar (psi) ...................... 207 (3000)
Hydraulic Tank Capacity, gal (L) ...................... 11.0 (41.6)

Loader Performance

Rated Operating Capacity (35% tipping load), lbs (kg) ...................... 1850 (840)
Rated Operating Capacity (50% tipping load), lbs (kg) ...................... 2643 (1200)
Tipping Load, lbs (kg) ...................... 5286 (2400)
Bucket Breakout Force, lbs (kg) ...................... 5355 (2430)
Lift Arm Breakout Force, lbs (kg) ...................... 5016 (2275)
Loader Boom Type .................... Radial-lift

Dimensions and Weight

Length (w/o Bucket), in (mm) ...................... 114.8 (2920)
Length (Bucket On Ground), in (mm) ...................... 148 (3755)
Length (Ground Contact), in (mm) ...................... 55 (1395)
Height (Boom Raised), in (mm) ...................... 168 (4265)
Height (Carry Position), in (mm) ...................... 7 (178)
Height (Operator Cab), in (mm) ...................... 82.8 (2105)
Width (w/o Bucket), in (mm) ...................... 64.4 (1635)
Height to Hinge Pin (Fully Raised), in (mm) ...................... 127.5 (3240)
Dump Angle At Max Height, deg ...................... 40
Dump Height (Fully Raised), in (mm) ...................... 98 (2490)
Dump Reach At Max Height, in (mm) ...................... 34.5 (875)
Rollback Angle At Ground Level, deg ...................... 30
Rollback Angle At Max Height, deg ...................... 102
Departure Angle, deg ...................... 30
Bucket Width, in (mm) ...................... 66 (1675)
Ground Clearance, in (mm) ...................... 12.5 (320)
Turning Radius (w/Bucket), in (mm) ...................... 91.4 (2320)
Operating Weight, lbs (kg) ...................... 9160 (4130)