John Deere 331G Track Loader Specifications

The John Deere 331G compact track loader driveline system components: a 186.3 cu.in (3.1L) Yanmar 4TNV94FHT 4-cylinder turbocharged diesel engine with a rated power of 91.2 hp (68 kW), and 2-speed transmission. The hydraulic system has a pump with a rated capacity of 23.5 gpm (89 lpm). The system pressure is 3450 psi (238 bar). The John Deere 331G is equipped with high drive planetary reduction gearbox, rubber tracks with steel inserts, and hydraulic wet disc brakes. The loader has a boom lift force of 7000 lbs (3175 kg) and bucket breakout force of 9350 lbs (4240 kg). The rated operating capacity is 3100 lbs (1407 kg), and tipping load is 8857 lbs (4020 kg).

Engine Specs

Engine Model ...................... Yanmar 4TNV94FHT
Engine Type ...................... Vertical in-line 4-cycle 4-cylinder turbocharged diesel
Number of Cylinders ...................... Four
Displacement, cu.in (L) ...................... 186.3 (3.06)
Cylinder Bore, in (mm) ...................... 3.70 (94.0)
Piston Stroke, in (mm) ...................... 4.33 (110.0)
Aspiration ...................... Turbocharged, intercooled
Rated Engine Power, hp (kW) ...................... 91.2 (68.0)
Rated Engine Speed, rpm ...................... 2500
Maximum Torque, Nm (lb-ft) ...................... 382.0 (281.8)
Torque Speed, rpm ...................... 1700
Firing Order ...................... 1-3-4-2
Fuel System ...................... Common rail direct injection
Lubrication System ...................... Forced lubrication with trochoid pump
Fuel Tank Capacity, gal (L) ...................... 30.0 (114.0)
Oil Capacity, qts (L) ...................... 10.8 (10.2)
Coolant Capacity, qts (L) ...................... 15.9 (15.0)
Electrical System Rating, Volts ...................... 12
Charging System ...................... Alternator
Alternator Rating, Amps ...................... 90

Drive Train

Drive System Type ...................... Hydrostatic with electro-hydraulic controls
Number of Gears ...................... 2 (low/high)
Pump Type ...................... Servo axial-piston
Brakes Type ...................... Hydraulic wet disc
Planetary Gear Case Capacity (Each), qts (L) ...................... 0.95 (0.90)
Forward Speed (Low range), mph (kph) ...................... 5.3 (8.5)
Reverse Speed (Low range), mph (kph) ...................... 5.3 (8.5)
Forward Speed (High range), mph (kph) ...................... 7.8 (12.6)
Reverse Speed (High range), mph (kph) ...................... 7.8 (12.6)

Undercarriage

Tracks Type ...................... Smooth-ride rubber with steel inserts
Track Width (Std), in (mm) ...................... 15.8 (400)
Track Width (Opt), in (mm) ...................... 17.7 (450)
Track Rollers (per Side) ...................... 5 triple-flanged rollers
Track Idlers (per Side) ...................... 2 dual-flanged idlers

Hydraulic System

Hydraulic System Type ...................... Open center
Pump Flow (Std), gpm (Lpm) ...................... 23.5 (89.0)
Pump Flow (Opt), gpm (Lpm) ...................... 36.5 (138.0)
System Pressure, Bar (psi) ...................... 238 (3450)
Hydraulic Capacity, gal (L) ...................... 8.7 (33.0)
Number of Valves ...................... 3

Loader Performance

Rated Operating Capacity, lbs (kg) ...................... 3100 (1407)
Tipping Load, lbs (kg) ...................... 8857 (4020)
Boom Lifting Force, lbs (kg) ...................... 7000 (3175)
Bucket Breakout Force, lbs (kg) ...................... 9350 (4240)

Dimensions and Weight

Length (w/o Bucket), in (mm) ...................... 122 (3100)
Length (Bucket On Ground), in (mm) ...................... 146 (3705)
Height (Operator Cab), in (mm) ...................... 86.7 (2200)
Width (w/o Bucket, Standard Track), in (mm) ...................... 78.9 (2000)
Height to Hinge Pin (Fully Raised), in (mm) ...................... 132 (3350)
Dump Angle At Max Height, deg ...................... 48
Dump Height (Fully Raised), in (mm) ...................... 106.1 (2695)
Dump Reach At Max Height, in (mm) ...................... 28 (710)
Rollback Angle At Ground Level, deg ...................... 35
Departure Angle, deg ...................... 31
Bucket Width, in (mm) ...................... 78 (1980)
Ground Clearance, in (mm) ...................... 9.4 (235)
Turning Radius (w/Bucket), in (mm) ...................... 85.7 (2175)
Operating Weight (Standard Track), lbs (kg) ...................... 11900 (5405)