John Deere 840

Last Updated: September 2024

Overview

The John Deere 840 is a utility tractor built for everyday farm tasks. It has a 2WD drive system and manual steering, making it easy to handle. The tractor uses a diesel engine with three cylinders, which is cooled by liquid. This engine gives the tractor 37.5 hp of power, which is good for many farm jobs.

The John Deere 840 is a medium-sized tractor. It's 138 inches long, 65.4 inches wide, and 103.1 inches tall. It weighs 5,004 pounds, which is about average for tractors like this. The tractor has big farm tires, with different sizes for the front and back. It also has a hitch at the back for attaching tools. The tractor's engine size and power are average compared to other tractors. This makes the John Deere 840 a good all-around choice for many farms.
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Key Specifications

Category: Utility

Power Output: 38 hp (28.0 kW)

Transmission: Collar shift and two-speed power shift

Drive Type: 2WD

Operating Weight: 5004 lb (2270 kg)

Fuel Type: Diesel

John Deere 840 vs. Similar Tractors

Power Output

The Power Output for the John Deere 840 is Average. It is greater than 34% of similar Utility tractors in our database.

Horsepower distribution of Utility tractors

(across 4.7K+ tractors in our database)

Operating Weight

The Operating Weight for the John Deere 840 is Average. It is greater than 51% of similar Utility tractors in our database.

Operating weight distribution of Utility tractors

(across 4.4K+ tractors in our database)

Engine Displacement

The Engine Displacement for the John Deere 840 is Average. It is greater than 52% of similar Utility tractors in our database.

Engine displacement distribution of Utility tractors

(across 1K+ tractors in our database)

Engine Rated RPM

The Engine Rated RPM for the John Deere 840 is Average. It is greater than 51% of similar Utility tractors in our database.

Engine rated RPM distribution of Utility tractors

(across 1K+ tractors in our database)

Technical Specifications

Engine

Manufacturer
John Deere
Cooling Type
Liquid-cooled
Fuel Type
Diesel
Induction Type
Direct injection
Cylinders
3
Displacement
179 ci (2.9 L)
Bore
4.19 in (106.4 mm)
Stroke
4.33 in (110.0 mm)
Rated RPM
2400
Power Output
38 hp (28.0 kW)

Transmission

Type
Collar shift and two-speed power shift
Forward Gears
8
Reverse Gears
4

Drivetrain

Chassis
4x2 2WD
Drive Type
2WD
Steering Type
Manual