Allis Chalmers 7040

Last Updated: September 2024

Overview

The Allis Chalmers 7040 is a powerful row crop tractor made from 1975 to 1977. It has a strong 6-cylinder diesel engine that makes 151 horsepower. This engine is turbocharged and has above-average displacement for its class. The tractor runs at a very high 2300 rpm, which means it can work hard all day long.

This tractor is built for serious farm work. It has a partial power shift transmission with 20 forward gears and 4 reverse gears, giving farmers lots of options for different tasks. The 7040 uses a three-point hitch at the back, which can handle big implements. It also has a rear PTO that spins at 540 rpm, perfect for running various farm tools. The tractor's closed center hydraulic system helps it lift heavy loads easily. Farmers will appreciate the comfortable Acousta-Cab that keeps noise down while working.

The Allis Chalmers 7040 is a big tractor, weighing 11,700 pounds. It's 173.6 inches long, 95.5 inches wide, and 116 inches tall. It has large rear tires (18.4-38) for good traction in the fields. The tractor comes with helpful features like differential lock and a big 51-gallon fuel tank. With its mix of power, comfort, and useful features, the 7040 was a solid choice for farmers in the mid-1970s.
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Key Specifications

Category: Row Crop

Power Output: 151 hp (112.6 kW)

Transmission: Partial Power Shift

Drive Type: 2WD

Operating Weight: 11700 lb (5307 kg)

Fuel Type: Diesel

Allis Chalmers 7040 vs. Similar Tractors

Power Output

The Power Output for the Allis Chalmers 7040 is Average. It is greater than 58% of similar Row Crop tractors in our database.

Horsepower distribution of Row Crop tractors

(across 1.1K+ tractors in our database)

Operating Weight

The Operating Weight for the Allis Chalmers 7040 is Average. It is greater than 45% of similar Row Crop tractors in our database.

Operating weight distribution of Row Crop tractors

(across 1.3K+ tractors in our database)

Engine Displacement

The Engine Displacement for the Allis Chalmers 7040 is Above Average. It is greater than 72% of similar Row Crop tractors in our database.

Engine displacement distribution of Row Crop tractors

(across 1K+ tractors in our database)

Engine Rated RPM

The Engine Rated RPM for the Allis Chalmers 7040 is Above Average. It is greater than 83% of similar Row Crop tractors in our database.

Engine rated RPM distribution of Row Crop tractors

(across 1K+ tractors in our database)

Technical Specifications

Engine

Manufacturer
Allis Chalmers
Model
3500 Mark II
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Fuel Type
Diesel
Induction Type
Turbocharged
Cylinders
6
Displacement
426 ci (7.0 L)
Bore
4.25 in (107.9 mm)
Stroke
5.00 in (127.0 mm)
Rated RPM
2300
Power Output
151 hp (112.6 kW)

Transmission

Type
Partial Power Shift
Forward Gears
20
Reverse Gears
4

Drivetrain

Chassis
4x2 2WD
Drive Type
2WD
Steering Type
Hydrostatic Power
Brake Type
Differential Hydraulic Wet Discs