Horsepower54.2hp / 40.4kW
EngineYanmar 2.0L 4-cyl diesel
Transmission12-speed 16-speed creeper
Drive4x4 MFWD 4WD
Torque117.6lb-ft / 159.5Nm
SeriesGM Series

The McCormick Intl GM55 tractor is powered by a Yanmar 2.0L 4-cyl diesel engine that provides 54.2hp / 40.4kW of horsepower and 117.6lb-ft / 159.5Nm of torque. It has a 4x4 MFWD 4WD drive configuration and a 12-speed 16-speed creeper transmission.

Engine

The engine is a Yanmar 4TNV84T turbocharged diesel 4-cylinder 16-valve liquid-cooled with a displacement of 121.7ci / 2.0L and a bore/stroke of 3.307x3.543inches / 84x 90mm. It has a direct injection fuel system and a compression ratio of 18.9:1. The engine is rated at 54.2hp / 40.4kW with a torque of 117.6lb-ft / 159.5Nm at 1200rpm. It has an electric starter with 12 volts. The engine meets Tier III emissions standards.

Transmission

The transmission is a 12-speed or 16-speed creeper with an engine power of 54.2hp / 40.4kW and a claimed PTO power of 50.7hp / 37.8kW. The transmission is designed to provide smooth shifting and efficient power transfer. It is suitable for a wide range of applications, including farming, landscaping, and construction. The transmission is easy to operate and maintain, making it a popular choice among users.

Brakes

The brakes are mechanical wet disc brakes that provide reliable stopping power. The Yanmar 4TNV84T engine powers the brakes, which are designed to work in conjunction with the transmission to provide smooth and efficient operation. The brakes are easy to maintain and are suitable for a wide range of applications. The engine is rated at 54.2hp / 40.4kW with a torque of 117.6lb-ft / 159.5Nm at 1200rpm. The engine meets Tier III emissions standards.

Steering

The steering is powered by a Yanmar 2.0L 4-cylinder diesel engine. The steering is designed to provide precise control and maneuverability, making it ideal for a wide range of applications. The steering is easy to operate and maintain, making it a popular choice among users. The Yanmar 2.0L 4-cylinder diesel engine is reliable and efficient, providing the power needed to operate the steering system.

Common Problems

Users have reported issues with the chassis, particularly with the 4x4 MFWD 4WD system. Some users have also reported problems with the brakes, which can be difficult to maintain and repair. The cab can be prone to leaks and other issues, particularly if it is not properly maintained. Some users have reported problems with the transmissions, which can be difficult to shift and can wear out quickly if not properly maintained. Finally, some users have reported issues with the engine, particularly with the fuel system and emissions control systems.

What Users Like

Users appreciate the versatility of the McCormick Intl GM55, which is suitable for a wide range of applications. They also appreciate the smooth and efficient operation of the transmission, which makes it easy to operate and maintain. The Yanmar 4TNV84T engine is reliable and efficient, providing the power needed to operate the tractor. Users also appreciate the precise control and maneuverability provided by the steering system. Finally, users appreciate the comfortable and spacious cab, which is available with air-conditioning and other amenities.

McCormick Intl GM55 Technical Specifications

Power

Engine54.2hp / 40.4kW
Pto (claimed)50.7hp / 37.8kW

Engine Detail

DescriptionYanmar 4TNV84T turbocharged diesel 4-cylinder 16-valve liquid-cooled
Displacement121.7ci / 2.0L
Bore/stroke3.307x3.543inches / 84x 90mm
EmissionsTier III
Power54.2hp / 40.4kW
Fuel Systemdirect injection
Compression18.9:1
Rated Rpm2800
Torque117.6lb-ft / 159.5Nm
Torque Rpm1200
Starterelectric
Starter Volts12

Engine

DescriptionYanmar 2.0L 4-cyl diesel

Mechanical

Chassis4x4 MFWD 4WD
Brakesmechanical wet disc
CabTwo-post folding ROPS. Cab available with air-conditioning
Transmissions12-speed 16-speed creeper

Tires

Ag Front280/70R16
Ag Rear360/70R24

Dimensions

Wheelbase69.3inches / 176cm
Length132.3inches / 336cm
Width55inches / 139cm
Weight3263lbs / 1480kg
Ground Clearance15.8inches / 40cm

Dimensions And Tires

Wheelbase69.3inches / 176cm
Weight3263lbs / 1480kg
Front Tire280/70R16
Rear Tire360/70R24

Hydraulics

Pressure2611psi / 180.0bar
Valves2
Scv Flow7.4gpm / 28.0lpm
Total Flow12.6gpm / 47.7lpm

Tractor Hitch

Rear TypeI
Rear Lift2646lbs / 1200kg
Front HitchIN
Front Lift882lbs / 400kg

Electrical

Groundnegative
Battery Volts12

Power Take Off Pto

Rear Ptoindependent
Clutchmechanical
Rear Rpm540/750/ground
Front Ptoindependent
Front Rpm1000 (1.375)

Height

Hood52inches / 132cm
Rops77.2inches / 196cm
Cab85.4inches / 216cm

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