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McCormick GX50 Specifications

McCormick GX50 Engine

Engine Model .................... Yanmar 4TNV88
Engine Type .................... Four-cylinder 8-valve liquid-cooled diesel
Number of Cylinders .................... 4
Displacement, cu in (L) .................... 133.6 (2.19)
Engine Bore, in (mm) .................... 3.47 (88.0)
Engine Stroke, in (mm) .................... 3.54 (90.0)
Aspiration .................... Natural
Maximum Engine Power, hp (kW) .................... 49.0 (36.5)
Rated Engine Power, hp (kW) .................... 45.0 (33.2)
Rated Engine Speed, rpm .................... 2800
High Idle Speed, rpm .................... 3200
Maximum Torque, Nm (ft-lbs) .................... 138.6 (102)
Torque Speed, rpm .................... 1600
Compression Ratio .................... 18.0:1
Firing Order .................... 1-3-4-2
Fuel System .................... Direct injection
Fuel Injection Pump .................... Mechanical
Fuel Filter .................... Replaceable element
Lubrication System .................... Forced with trochoid pump
Cooling System .................... Liquid-cooled with radiator
Air Cleaner .................... Dry, replaceable dual element
Valve Clearance (Intake), in (mm) .................... 0.006-0.010 (0.15-0.25)
Valve Clearance (Exhaust), in (mm) .................... 0.010-0.014 (0.25-0.35)
Fuel Tank Capacity, gal (L) .................... 10.5 (40.0)
Engine Oil Capacity, qt (L) .................... 7.8 (7.4)
Cooling System Capacity, qt (L) .................... 6.8 (6.5)
Electrical System Rating, Volts .................... 12
Charging System .................... Alternator
Alternator Rating, Amps .................... 40

Power Take Off

PTO Operational Type .................... Live
PTO Horsepower, hp (kW) .................... 44.0 (32.5)
PTO Clutch (Shuttle) .................... Mechanical dry disc
PTO Clutch (Hydrostatic) .................... Electro-hydraulic wet disc
Rear PTO Speed, rpm .................... 540/750
Mid PTO Speed, rpm .................... 1000
Front PTO Speed, rpm .................... 1000

McCormick GX50 Transmission

Transmission Type .................... Synchronized Shuttle
Gearbox Type .................... 12F/12R
Number of Forward Gears .................... 12
Number of Reverse Gears .................... 12
Clutch Type .................... Dry disc
Clutch Disc Diameter, in (mm) .................... 9 (225)
Maximum Forward Speed, mph (kph) .................... 18.2 (29.0)
Maximum Reverse Speed, mph (kph) .................... 18.3 (29.3)

Transmission Type .................... Synchronized Shuttle with Creeper
Gearbox Type .................... 16F/16R
Number of Forward Gears .................... 16
Number of Reverse Gears .................... 16
Clutch Type .................... Dry disc
Clutch Disc Diameter, in (mm) .................... 9 (225)
Maximum Forward Speed, mph (kph) .................... 18.9 (30.3)
Maximum Reverse Speed, mph (kph) .................... 19.2 (30.7)
Forward Speed (Creeper), mph (kph) .................... 0.15-0.56 (0.25-0.89)
Reverse Speed (Creeper), mph (kph) .................... 0.16-0.57 (0.26-0.91)

Transmission Type .................... Hydrostatic
Number of Forward Gears .................... Infinite (3 ranges)
Number of Reverse Gears .................... Infinite (3 ranges)
Maximum Forward Speed (High), mph (kph) .................... 16.8 (27.0)
Maximum Forward Speed (Low), mph (kph) .................... 4.0 (6.4)
Maximum Reverse Speed (High), mph (kph) .................... 16.8 (27.0)
Maximum Reverse Speed (Low), mph (kph) .................... 4.0 (6.4)

Wheels and Tires

Drive Wheels .................... 2WD/4WD
Steering Configuration .................... Front steer
Steering System .................... Hydrostatic power
Brakes Type .................... Wet disc
Front Tire Size (2WD) .................... 7.50-10
Rear Tire Size (2WD) .................... 320/70R20
Front Tire Size (4WD) .................... 280/70R16
Rear Tire Size (4WD) .................... 360/70R24
Front Tread, in (mm) .................... 43.7-53.6 (1105-1355)
Rear Tread, in (mm) .................... 40.7-51.6 (1030-1305)

McCormick GX50 Hydraulic System

Hydraulic System Type .................... Open Center
Hydraulic Pump Type .................... Gear
Implement Pump Flow (Opt), gpm (Lpm) .................... 7.5 (28.0)
Steering Pump Flow, gpm (Lpm) .................... 2.9 (11.0)
Hydraulic Pressure, Bar (psi) .................... 180 (2600)
Steering Pressure, Bar (psi) .................... 110 (1600)
Number of Standard Remote Valves .................... 2/3
3-Point Hitch Category .................... 1
Draft Sensing or Lift Control .................... Position and draft control
Rear Lift Capacity at lift pin, lb (kg) .................... 2640 (1200)
Front Lift Capacity at lift pin, lb (kg) .................... 880 (400)

Dimensions and Weight

Wheelbase (2WD), in (mm) .................... 70.9 (1800)
Wheelbase (4WD), in (mm) .................... 71.7 (1820)
Length, in (mm) .................... 134.7 (3420)
Height (ROPS), in (mm) .................... 93.3 (2360)
Height (Steering Wheel), in (mm) .................... 57.1 (1450)
Overall Width, in (mm) .................... 54.5 (1380)
Ground Clearance, in (mm) .................... 16 (405)
Weight (2WD, Shuttle), lb (kg) .................... 3197 (1450)
Weight (2WD, Hydrostatic), lb (kg) .................... 3307 (1500)
Weight (4WD, Shuttle), lb (kg) .................... 3373 (1530)
Weight (2WD, Hydrostatic), lb (kg) .................... 3483 (1580)