John Deere

3720

Farm tractor · 2005–2013 · 44 hp

The John Deere 3720 is a farm tractor manufactured from 2005 to 2013. It features a Yanmar 3TNV84HT engine, and two-post foldable steering. The transmission is a hydrostatic type with infinite forward and reverse (3-range).

Engine

EngineYanmar 3TNV84HT
Fuel Typediesel
Cylinders3
Coolingliquid-cooled
Turbocharger Statusturbocharged diesel
Displacement91.5 ci (1.5 L)
Bore3.3 in (84 mm)
Stroke3.54 in (90 mm)
Compression Ratio18.5
Power Gross44 hp (32.8 kW)
Power Rated44 hp (32.8 kW)
Torque Peak101.1 lb-ft (137.1 Nm)
Torque Peak1,560 RPM
Fuel Systemdirect injection
Starter Volts12
Oil Capacity6 qts (5.7 L)
Coolant Capacity5.6 qts (5.3 L)
ManufacturerYanmar
Rated2,600 RPM

Transmission

Transmission Typehydrostatic
Transmission ModeleHydro
Gearsinfinite forward and reverse (3-range)
Transmission DescriptionControlled by two foot pedals and range shift lever. Tractor must be stopped before shifting ranges. Cruise control standard. SpeedMatch allows maximum speed to be limited. MotionMatch allows acceleration rate to be set. LoadMatch allows engine RPMs to be set, tractor will adjust speed to maintain RPMs.
Available Optionshydrostatic

Hydraulics

Typeopen center
Pump Flow8.6 gpm (32.6 lpm)
Valves5
Total Flow13.9 gpm (52.6 lpm)
System Capacity6.8 gal (25.7 L)

Hitch

Rear TypeI
Rear Lift2,530 lbs (1,147 kg)

Dimensions

Length120.2 in (305 cm)
Width52.4 in (133 cm)
Height57 in (144 cm)
Height Rops93.3 in (236 cm)
Wheelbase68 in (172 cm)

Weight

cab

Weight3,570 lbs (1,619 kg)

rops

Weight2,900 lbs (1,315 kg)

Tires & Tracks

Front Ag7-14
Rear Ag11.2-24
Front Industrial25x8.5-14, 27x8.5-15
Rear Industrial15-19.5, 43x16-20

Fuel

ROPS

Capacity13.5 gal (51.1 L)

Cab

Capacity11.8 gal (44.7 L)

Steering

Typetwo-post foldable

Cab

Caboptional

Attachments

60" mid-mount mower deckJohn Deere 300X loaderJohn Deere 300CX loaderBackhoe
Mower Deck60 in (152 cm)
Backhoe ModelJohn Deere 47 Backhoe