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John Deere 302A

John Deere 302A tractor
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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.
John Deere 302Aindustrial tractor52 hp2.7L diesel enginepower shuttle transmissionloaderbackhoetractor specs
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Model302A

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

Type:diesel, 3-cylinder, liquid-cooled
Model:John Deere 2.7L 3-cyl diesel
Torque:129 lb-ft (174.9 Nm)
Rated RPM:2500
Torque RPM:1300
Air cleaner:dry element
Bore/Stroke:4.02x4.33 inches (102 x 110 mm)
Compression:16.2:1
Power (net):50 hp (37.3 kW)
Pre-heating:ether injection
Displacement:164 ci (2.7 L)
Oil capacity:9 qts (8.5 L)
Power (gross):52 hp (38.8 kW)
Starter volts:12
Coolant capacity:12 qts (11.4 L)
Intake valve clearance:0.014 inches (0.356 mm)
Exhaust valve clearance:0.018 inches (0.457 mm)

Capacity

Fuel:19.5 gal (73.8 L)
Hydraulic system:10 gal (transmission) (37.9 L), 2.5 gal (loader) (9.5 L)

Electrical

Ground:negative
Battery volts:12
Charging amps:35
Charging system:alternator

Hydraulics

Type:closed center
Capacity:10 gal (transmission) (37.9 L), 2.5 gal (loader) (9.5 L)
Pressure:2350 psi (162.0 bar)
Total flow:28 gpm (106.0 lpm)

Mechanical

ROPS:Four-post ROPS
Drive:Two-wheel drive
Brakes:Hydraulic wet disc brakes
Steering:power
Final drives:inboard planetary
Differential lock:optional

Production

Type:Industrial tractor
Factory:Built in Dubuque, Iowa, USA
Years made:1974 - 1981
Manufacturer:John Deere

Attachments

Loader

Dump time:1.6s
Lower time:2.0s
Raise time:3.7s
Bucket width:81.125 inches (206 cm)
Lift capacity:3300 lbs (1496 kg) full at pin
Breakout force:5000 lbs (2268 kg)
Reach (dumped):28 inches (71 cm)
Height (at pin):122 inches (309 cm)
Clearance (dumped):98 inches (248 cm)

Backhoe

Model:John Deere 9250A Backhoe
Weight:2550 lbs (1156 kg)
Swing Arc:180°
Bucket force:7409 lbs (3360 kg)
Bucket widths:12 inches (30 cm), 16 inches (40 cm), 18 inches (45 cm), 24 inches (60 cm), 30 inches (76 cm), 36 inches (91 cm)
Digging depth:164 inches (416 cm)
Loading height:135 inches (342 cm)
Reach from pivot:209 inches (530 cm)
Dipperstick force:4198 lbs (1904 kg)
2-Foot flat digging depth:163 inches (414 cm)
8-Foot flat digging depth:150 inches (381 cm)
Overview:Front-end loader, Backhoe

Transmission

Type:power shuttle
Gears:8 forward and reverse
Oil capacity:40 qts (37.9 L)

Tractor hitch

Rear Type:II/I (optional)

Dimensions & Tires

Width:75 inches (190 cm)
Length:184.2 inches (loader tractor) (467 cm)
Weight:6,262 lbs (2840 kg)
Rear tire:14.9-24, 17.5L-24
Wheelbase:77 inches (195 cm)
Front tire:11L-15, 7.50/8.00-16
Rear tread:60 inches (152 cm)
Front tread:62 inches (157 cm)
Height (ROPS):90.8 inches (230 cm)
Height (hood):55 inches (139 cm)
Ground clearance:12 inches (30 cm)
Clearance (front axle):17.25 inches (43 cm)

Power Take-off (PTO)

Rear PTO:continuous live (optional)
Rear PTO Type:540 (1.375)