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John Deere industrial tractors

John Deere 302A

The John Deere 302A is an industrial tractor produced from 1974 to 1981 by John Deere in Dubuque, Iowa, USA. It features a 2.7L 3-cylinder diesel engine producing 52 hp gross and 50 hp net, with an 8-speed power shuttle transmission. The tractor is two-wheel drive with optional differential lock and power steering, equipped with hydraulic wet disc brakes and a four-post ROPS. It has a fuel capacity of 19.5 gallons and a closed center hydraulic system with 28 gpm flow. Dimensions include a 77-inch wheelbase, 6,262 lbs weight, and various tire options. Attachments include a front-end loader with 3300 lbs lift capacity and a John Deere 9250A backhoe with multiple bucket sizes and a 180° swing arc.
Power-
Founded-
Model302A
John Deere 302A tractor
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Technical Specifications

Detailed specifications and technical data for John Deere 302A

Power
Engine (net)50 hp (37.3 kW)
Engine (gross)52 hp (38.8 kW)
Engine
Typediesel, 3-cylinder, liquid-cooled
ModelJohn Deere 2.7L 3-cyl diesel
Torque129 lb-ft (174.9 Nm)
Rated RPM2500
Torque RPM1300
Air cleanerdry element
Bore/Stroke4.02x4.33 inches (102 x 110 mm)
Compression16.2:1
Power (net)50 hp (37.3 kW)
Pre-heatingether injection
Displacement164 ci (2.7 L)
Oil capacity9 qts (8.5 L)
Power (gross)52 hp (38.8 kW)
Starter volts12
Coolant capacity12 qts (11.4 L)
Intake valve clearance0.014 inches (0.356 mm)
Exhaust valve clearance0.018 inches (0.457 mm)
Capacity
Fuel19.5 gal (73.8 L)
Hydraulic system10 gal (transmission) (37.9 L), 2.5 gal (loader) (9.5 L)
Electrical
Groundnegative
Battery volts12
Charging amps35
Charging systemalternator
Hydraulics
Typeclosed center
Capacity10 gal (transmission) (37.9 L), 2.5 gal (loader) (9.5 L)
Pressure2350 psi (162.0 bar)
Total flow28 gpm (106.0 lpm)
Mechanical
ROPSFour-post ROPS
DriveTwo-wheel drive
BrakesHydraulic wet disc brakes
Steeringpower
Final drivesinboard planetary
Differential lockoptional
Production
TypeIndustrial tractor
FactoryBuilt in Dubuque, Iowa, USA
Years made1974 - 1981
ManufacturerJohn Deere
Attachments
Loader
Dump time1.6s
Lower time2.0s
Raise time3.7s
Bucket width81.125 inches (206 cm)
Lift capacity3300 lbs (1496 kg) full at pin
Breakout force5000 lbs (2268 kg)
Reach (dumped)28 inches (71 cm)
Height (at pin)122 inches (309 cm)
Clearance (dumped)98 inches (248 cm)
Backhoe
ModelJohn Deere 9250A Backhoe
Weight2550 lbs (1156 kg)
Swing Arc180°
Bucket force7409 lbs (3360 kg)
Bucket widths12 inches (30 cm), 16 inches (40 cm), 18 inches (45 cm), 24 inches (60 cm), 30 inches (76 cm), 36 inches (91 cm)
Digging depth164 inches (416 cm)
Loading height135 inches (342 cm)
Reach from pivot209 inches (530 cm)
Dipperstick force4198 lbs (1904 kg)
2-Foot flat digging depth163 inches (414 cm)
8-Foot flat digging depth150 inches (381 cm)
OverviewFront-end loader, Backhoe
Transmission
Typepower shuttle
Gears8 forward and reverse
Oil capacity40 qts (37.9 L)
Tractor hitch
Rear TypeII/I (optional)
Dimensions & Tires
Width75 inches (190 cm)
Length184.2 inches (loader tractor) (467 cm)
Weight6,262 lbs (2840 kg)
Rear tire14.9-24, 17.5L-24
Wheelbase77 inches (195 cm)
Front tire11L-15, 7.50/8.00-16
Rear tread60 inches (152 cm)
Front tread62 inches (157 cm)
Height (ROPS)90.8 inches (230 cm)
Height (hood)55 inches (139 cm)
Ground clearance12 inches (30 cm)
Clearance (front axle)17.25 inches (43 cm)
Power Take-off (PTO)
Rear PTOcontinuous live (optional)
Rear PTO Type540 (1.375)

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