McCormick Intl MB55

Last Updated: June 2024

Overview

The McCormick Intl MB55 is a utility tractor that was designed with versatility in mind for a variety of farm duties. It features a 58 horsepower diesel engine from Perkins, model 1103C-33 that adheres to a natural induction system and a liquid cooling process to maintain optimal operating temperatures. Its three cylinders allow for efficient combustion, and it operates at a rated 2200 RPM with a high compression ratio of 19.25:1, delivering a torque of 163.5 lb-ft at 1400 RPM. This allows for substantial pulling power when needed. The tractor is characterized by its 4x2 (2WD) chassis with a 12-speed manual transmission that provides sufficient gearing options for various tasks, including a more extensive 24 forward gears version. It stands out with a hydrostatic power steering system that facilitates smooth operation. The physical dimensions include a length of 127.5 inches and a width of 66 inches, which support stability and navigability. Height variations are available with a steering wheel at 66.9 inches and a ROPS (Roll-Over Protection System) reaching 94.9 inches, ensuring safety during operation. With agriculture tires front and rear, typical sizes being 7.50-16 for the front and 14.9R28 for the rear, the MB55 maintains good traction and efficiency on various terrains. The tractor also presents a substantial operating weight of 5346 pounds which further aids its stability and performance for heftier tasks. Its wheelbase is 83.7 inches, which provides a balance between agility and stability. The MB55 offers a front tread range of 52 to 71.6 inches and a similar customizable rear tread ranging between 51.2 to 74.8 inches, allowing adjustments according to the field or crop requirements. Overall, the McCormick Intl MB55 serves as a reliable partner for different agricultural needs with its adaptable features, robust powertrain, and comfortable operation.
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Key Specifications

Category: Utility

Power Output: 58

Transmission: Manual

Drive Type: 2WD

Operating Weight: 5346

Fuel Type: Diesel

McCormick Intl MB55 vs. Similar Tractors

Power Output
Average
Greater than 55% of similar tractors.
Operating Weight
Average
Greater than 45% of similar tractors.

Technical Specifications

Engine

Manufacturer
Perkins
Model
1103C-33
Cooling Type
Liquid-cooled
Cylinder Orientation
-
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Natural
Cylinders
3
Displacement (ci)
201
Bore (in)
4.134
Stroke (in)
5
Rated RPM
2200
Power Output (hp)
58

Transmission

Type
Manual
Forward Gears
24
Reverse Gears
12
Total Gears
36

Dimensions

Length (in)
127.5
Width (in)
66
Height (in)
94.9
Operating Weight (lb)
5346

Power Take-Off (PTO)

PTO Type
-
PTO Speed 1 (rpm)
-
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2 2WD
Drive Type
2WD
Steering Type
Hydrostatic power
Coolant Capacity (qts)
-
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Ag
Manufacture - End Year
-
Hitch Type
-
Hitch Category
II
Hitch Position
Rear
Hitch Capacity (lb)
-
Operator Station Type
ROPS
Starter Type
-
Brake Type
-
Hydraulic System Type
-