John Deere 3720

Last Updated: June 2024

Overview

The John Deere 3720 is a 4WD compact utility tractor that was produced from 2005 to 2013. It features a Yanmar 3TNV84HT turbocharged diesel engine with a displacement of 1.5 L or 91.5 cubic inches, capable of delivering 44 hp at 2600 RPM. The tractor is equipped with power steering, wet disc brakes, and the option for a foldable ROPS or a cab. Transmission is hydrostatic with infinite forward and reverse gears in a 3-range configuration. This model offers a John Deere Category I three-point hitch with a lift capacity of 2540 lbs and optional mid PTO and independent rear PTO speeds. Weights vary between 2900 lbs for the ROPS version and 3570 lbs for the Cab version. With a wheelbase of 67.7 inches and dimensions spanning 120.1 inches in length, 52.4 inches in width, and 92.9 inches in height, the tractor is designed to balance maneuverability with robust utility.

Key Specifications

Category: Utility

Power Output: 44

Transmission: Hydrostatic

Drive Type: 4WD

Operating Weight: 2900 (ROPS) / 3570 (Cab)

Fuel Type: Diesel

John Deere 3720 vs. Similar Tractors

Power Output

Average

Greater than 41% of similar tractors.

Hitch Capacity

Average

Greater than 43% of similar tractors.

Operating Weight

Above Average

Greater than 84% of similar tractors.

Technical Specifications

Engine

Manufacturer: Yanmar
Model: 3TNV84HT
Cooling Type: Liquid-cooled
Cylinder Orientation: Inline
Valve Configuration: -
Fuel Type: Diesel
Induction Type: Turbocharged
Cylinders: 3
Displacement (ci): 91.5
Bore (in): 3.31
Stroke (in): 3.54
Rated RPM: 2600
Power Output (hp): 44

Transmission

Type: Hydrostatic
Forward Gears: Infinite (3-range)
Reverse Gears: Infinite (3-range)
Total Gears: -

Dimensions

Length (in): 120.1
Width (in): 52.4
Height (in): 92.9
Operating Weight (lb): 2900 (ROPS) / 3570 (Cab)

Power Take-Off (PTO)

PTO Type: Optional Middle PTO (Rear PTO: Independent)
PTO Speed 1 (rpm): 2100 (Middle PTO) / 540 (Rear PTO)
PTO Speed 2 (rpm): -
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: -
Drive Type: 4WD
Steering Type: Power
Coolant Capacity (qts): 5.6
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: -
Manufacture - End Year: 2013
Hitch Type: Three-Point Hitch
Hitch Category: I
Hitch Position: Rear
Hitch Capacity (lb): 2540 lbs
Operator Station Type: Two-post foldable ROPS or Cab (optional)
Starter Type: Electric
Brake Type: Wet disc
Hydraulic System Type: Open center