Introduction
McCormick MB55 Utility Tractor
The McCormick MB55 is a utility tractor produced by McCormick International between 2006 and 2010. Part of the MB65 series, this machine is engineered for general agricultural tasks, balancing operational efficiency with a robust mechanical build.
Engine and Power
The tractor is powered by a Perkins 1103C-33 liquid-cooled, 3-cylinder diesel engine. With a displacement of 3.3 liters, it delivers 58 hp (43.3 kW) at a rated speed of 2200 RPM. It produces a maximum torque of 163.5 lb-ft (221.7 Nm) at 1400 RPM, providing the necessary pulling power for standard field implements.
Transmission and Handling
The MB55 features a two-wheel drive configuration paired with hydrostatic power steering for improved maneuverability. Operators can choose between a 12-speed or an optional 24-speed transmission, allowing for precise speed selection based on the specific requirements of the task. Braking is managed by mechanical wet disc brakes.
Hydraulics and Hitch
The hydraulic system provides a total flow of 19.2 gpm (72.7 lpm) at a pressure of 2600 psi (179.3 bar), supporting up to two valves. The rear Category II hitch offers a standard lift capacity of 5,700 lbs (2585 kg), with an optional upgrade available to increase capacity to 8,140 lbs (3692 kg). An independent 540 RPM rear PTO is standard for implement operation.
Dimensions and Construction
With a wheelbase of 83.7 inches (212 cm) and a total weight of 5,346 lbs (2424 kg), the tractor is designed for stability. The unit is equipped with a four-post ROPS for operator safety, with an optional canopy available. Ground clearance is 13.8 inches (35 cm), and it rides on 7.50-16 front and 14.9R28 rear agricultural tires.
Conclusion
The McCormick MB55 is a versatile utility tractor suited for varied agricultural operations that require a balance of consistent hydraulic performance, reliable diesel power, and maneuverability in a two-wheel drive platform.
Production Information of McCormick Intl, MB55
- Utility tractor
| Manufacturer | McCormick Intl |
|---|
Dimension and Tires Information of McCormick Intl, MB55
| Ground clearance | 13.8 inches [35 cm] |
|---|---|
| Wheelbase | 83.7 inches [212 cm] |
| Height (ROPS) | 94.9 inches [241 cm] |
| Height (steering wheel) | 66.9 inches [169 cm] |
| Length | 127.5 inches [323 cm] |
| Front tread | 52 to 71.6 inches [132 to 181 cm] |
| Weight | 5,346 lbs [2424 kg] |
| Width | 66 inches [167 cm] |
| Rear tread | 51.2 to 74.8 inches [130 to 189 cm] |
| Ag front | 7.50-16 |
|---|---|
| Ag rear | 14.9R28 |
Engine Specifications of McCormick Intl, MB55
- Perkins 1103C-33
- Liquid-cooled
- Diesel
- 3-cylinder
| Torque RPM | 1400 |
|---|---|
| Displacement | 201 ci [3.3 L] |
| Compression | 19.25:1 |
| Bore/Stroke | 4.134x5.00 inches [105 x 127 mm] |
| Torque | 163.5 lb-ft [221.7 Nm] |
| Rated RPM | 2200 |
| Power | 58 hp [43.3 kW] |
Transmission Information of McCormick Intl, MB55
Transmission variants 1
| Gears | 12 forward and reverse |
|---|
Transmission variants 2
| Gears | 24 forward and 12 reverse |
|---|
- 12-speed
- 24-speed
Mechanical Specs of McCormick Intl, MB55
- Two-wheel drive
- Four-post ROPS. Optional canopy.
- Mechanical wet disc brakes
| Steering | Hydrostatic power |
|---|
Power Information of McCormick Intl, MB55
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540 |
Hydraulics Specifications of McCormick Intl, MB55
| Pressure | 2600 psi [179.3 bar] |
|---|---|
| Total flow | 19.2 gpm [72.7 lpm] |
| Valves | 1 or 2 |
| Pump flow | 13.8 gpm [52.2 lpm] |
Three-Point Hitch of McCormick Intl, MB55
| Rear Type | II |
|---|---|
| Rear lift | 5,700 lbs [2585 kg] |
| Rear lift(optional) | 8,140 lbs (optional) [3692 kg] |
Where it sits
With 58 HP, the McCormick Intl MB55 sits just below MB65 (67 HP) in McCormick Intl's range. Its power puts it in the 38th percentile of 2000s models in our database (2822 machines).
Frequently asked questions
How much horsepower does the McCormick Intl MB55 have?
The McCormick Intl MB55 delivers 58 HP.
What years was the McCormick Intl MB55 produced?
The McCormick Intl MB55 was produced in 2006-2010.
What engine does the McCormick Intl MB55 have?
The McCormick Intl MB55 is powered by a Diesel, 3-cylinder engine.
How much does the McCormick Intl MB55 weigh?
The McCormick Intl MB55 weighs 5,346 lbs [2424 kg].
Is the McCormick Intl MB55 4WD?
The McCormick Intl MB55 is available in 2WD.