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John Deere 3720

John Deere 3720 tractor
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The John Deere 3720 is a compact utility tractor produced from 2005 to 2013 as part of the 3000 Twenty Series. It features a 44 hp turbocharged Yanmar 3-cylinder diesel engine, hydrostatic transmission with infinite forward and reverse speeds, and four-wheel drive. The tractor offers power steering, wet disc brakes, and a two-post foldable ROPS with an optional cab. It has a wheelbase of 68 inches and weighs between 2900 and 3570 pounds depending on configuration. The 3720 supports a variety of attachments including a 60" mid-mount mower deck, front-end loaders (300X and 300CX), and a John Deere 47 backhoe. It is built in Augusta, Georgia, USA.
John Deere 3720tractorcompact utility tractorYanmar enginehydrostatic transmission44 hp3000 Twenty Seriesattachmentsloaderbackhoe
Power44 hp
Founded2005 - 2013
Model3720

Technical Specifications

Detailed specifications and technical data for John Deere 3720

Power

Engine power:44 hp (32.8 kW)

Engine

Type:turbocharged diesel
Model:Yanmar 3TNV84HT
Power:44 hp (32.8 kW)
Torque:101.1 lb-ft (137.1 Nm)
Cooling:liquid-cooled
Cylinders:3-cylinder
Rated RPM:2600
Torque RPM:1560
Bore/Stroke:3.3x3.54 inches (84 x 90 mm)
Fuel system:direct injection
Displacement:91.5 ci (1.5 L)
Oil capacity:6 qts (5.7 L)
Starter volts:12
Coolant capacity:5.6 qts (5.3 L)
Compression ratio:18.5:1

Capacity

Cab Fuel:11.8 gal (44.7 L)
ROPS Fuel:13.5 gal (51.1 L)
Hydraulic system:6.8 gal (25.7 L)

Electrical

Ground:negative
Battery CCA:500
Battery volts:12
Cab Charging amps:75
ROPS Charging amps:40

Hydraulics

Type:open center
Valves:5
Capacity:6.8 gal (25.7 L)
Pump flow:8.6 gpm (32.6 lpm)
Total flow:13.9 gpm (52.6 lpm)

Mechanical

ROPS:Two-post foldable ROPS. Cab optional.
Drive:Four-wheel drive
Brakes:Wet disc brakes
Steering:power

Production

Type:Compact Utility tractor
Series:3000 Twenty Series
Built in:Augusta, Georgia, USA
Years produced:2005 - 2013

Attachments

Overview:60" mid-mount mower deck, John Deere 300X loader, John Deere 300CX loader, Backhoe

300X Loader

Dump time:4.1s
Attachment:Deere quick-attach
Dump angle:40°
Lower time:1.7s
Raise time:2.8s
Bucket width:61 inches (154 cm)
Rollback time:1.7s
Reach (dumped):30.4 inches (77 cm)
Reach (ground):54.4 inches (138 cm)
Height (at pin):90 inches (228 cm)
Breakout (at pin):2855 lbs (1295 kg)
Rollback (raised):103°
Clearance (dumped):68.6 inches (174 cm)
Lift (1.5m at pin):1700 lbs (771 kg)
Lift (full at pin):1360 lbs (616 kg)
Breakout (at 500mm):2032 lbs (921 kg)
Lift (1.5m at 500mm):1312 lbs (595 kg)
Lift (full at 500mm):999 lbs (453 kg)
Rollback (ground line):21°

300CX Loader

Dump time:4.2s
Attachment:Deere quick-attach, skid steer (optional)
Dump angle:41.1°
Lower time:2.1s
Raise time:3.6s
Bucket width:61 inches (154 cm)
Rollback time:1.8s
Reach (dumped):22 inches (55 cm)
Reach (ground):58.6 inches (148 cm)
Height (at pin):102 inches (259 cm)
Breakout (at pin):3327 lbs (1509 kg)
Rollback (raised):119°
Clearance (dumped):79.6 inches (202 cm)
Lift (1.5m at pin):2125 lbs (963 kg)
Lift (full at pin):1598 lbs (724 kg)
Breakout (at 500mm):2416 lbs (1095 kg)
Lift (1.5m at 500mm):1649 lbs (747 kg)
Lift (full at 500mm):1122 lbs (508 kg)
Rollback (ground line):31°

60" Mower deck

Type:mid-mount John Deere
Blades:3-blade
Cutting width:60 inches (152 cm)

John Deere 47 Backhoe

Weight:1047 lbs (474 kg)
Swing Arc:180°
Backhoe type:John Deere 47 Backhoe
Bucket force:2840 lbs (1288 kg)
Loading height:70 inches (177 cm)
Bucket Rotation:180°
Reach from pivot:114 inches (289 cm)
Dipperstick force:2005 lbs (909 kg)
2-Foot flat digging depth:90 inches (228 cm)

Transmission

Type:hydrostatic
Gears:infinite forward and reverse (3-range)
Model:Sauer-Danfoss eHydro
Controls:Controlled 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.

Tractor hitch

Rear Type:I
Rear lift (at ends):2,530 lbs (1147 kg)

Serial Numbers

2005:170001
2006:280001
2007:380001
2008:480001
2009:522001

Dimensions & Tires

Width:52.4 inches (Minimum) (133 cm)
Length:120.2 inches (305 cm)
Wheelbase:68 inches (172 cm)
Cab Weight:3,570 lbs (1619 kg)
Rear tread:40.6/45.3/48.9/53.1/56.6 inches (103/115/124/134/143 cm)
ROPS Weight:2,900 lbs (1315 kg)
Ag rear tire:11.2-24
Ag front tire:7-14
Height (ROPS):93.3 inches (236 cm)
Height (hood):57 inches (144 cm)
Lawn/turf rear tire:41x14-20, 41x18LL-16.1
Industrial rear tire:15-19.5, 43x16-20
Lawn/turf front tire:27x8.5-15, 25x10.5LL-15
Clearance (rear axle):12.2 inches (30 cm)
Industrial front tire:25x8.5-14, 27x8.5-15

Power Take-off (PTO)

Mid PTO:optional
Rear PTO:independent
Mid PTO Type:2100
Rear PTO Type:540