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International Harvester 280A

International Harvester 280A tractor
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The International Harvester 280A is a backhoe loader tractor produced from 1978 to 1982. It features a 5.9L 6-cylinder diesel engine producing 90 hp net and 97 hp gross, coupled with a 3-speed power shift transmission. The tractor includes outboard planetary final drives, hydraulic disc brakes, and power steering. It has a four-ROPS canopy with an optional cab featuring air-conditioning. The hydraulic system has a capacity of 31 gallons and operates at 2500 psi with separate pump flows for loader and backhoe. Dimensions include a 90.2 inch wheelbase, 296.9 inch length, and 17850 lbs operating weight. Attachments include a front-end loader with 6500 lbs lift capacity and an International backhoe with a digging depth of 194.9 inches.
International Harvester 280Abackhoe loadertractor specs5.9L diesel enginepower shift transmissionloaderbackhoe
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Model280A

Technical Specifications

Detailed specifications and technical data for International Harvester 280A

Power

Engine (net):90 hp (67.1 kW)
Engine (gross):97 hp (72.3 kW)

Tires

Industrial rear:18.4x24, 18.4x25, 20.5x25
Industrial front:14-17.5, 15-19.5

Engine

Type:diesel
Model:International D-358
Cooling:liquid-cooled
Starter:electric
Cylinders:6-cylinder
Rated RPM:2300
Air cleaner:dry
Bore/Stroke:3.875x5.062 inches (98 x 129 mm)
Power (net):90 hp (67.1 kW)
Pre-heating:ether injection
Displacement:358 ci (5.9 L)
Oil capacity:14.8 qts (14.0 L)
Power (gross):97 hp (72.3 kW)
Starter volts:12
Coolant capacity:17 qts (16.1 L)

Weight

Weight:17850 lbs (8096 kg)
Max rear axle:18100 lbs (8210 kg)
Max front axle:22000 lbs (9979 kg)

Capacity

Fuel:38 gal (143.8 L)
Hydraulic system:31 gal (117.3 L)

Dimensions

Width:86.4 inches (219 cm)
Length:296.9 inches (754 cm)
Wheelbase:90.2 inches (229 cm)
Rear tread:68 inches (172 cm)
Front tread:68 inches (172 cm)
Height (ROPS):109.1 inches (277 cm)
Height (backhoe):146.1 inches (371 cm)

Electrical

Ground:negative
Battery volts:12
Charging amps:60
Charging system:alternator

Hydraulics

Capacity:31 gal (117.3 L)
Pressure:2500 psi (172.4 bar)
Pump flow:27 gpm (loader) (102.2 lpm), 44 gpm (backhoe) (166.5 lpm)

Mechanical

ROPS:Four-rops ROPS canopy. Cab optional with available air-conditioning.
Brakes:Hydraulic disc brakes
Final drives:outboard planetary
Power steering:-

Production

Type:Backhoe loader tractor
Years made:1978 - 1982
Manufacturer:International Harvester

Attachments

Loader

Dump time:1.9s
Dump angle:49°
Lower time:2.9s
Raise time:5.4s
Bucket width:91 inches (231 cm)
Lift capacity:6500 lbs (2948 kg) full at pin
Breakout force:10800 lbs (4898 kg) at pin
Reach (dumped):46.5 inches (118 cm)
Height (at pin):135 inches (342 cm)
Clearance (dumped):103.9 inches (263 cm)
Rollback (ground line):40°

Backhoe

Type:International Backhoe
Swing arc:180°
Bucket force:12554 lbs (5694 kg)
Bucket width:30 inches (76 cm)
Digging depth:194.9 inches (495 cm)
Loading height:128 inches (325 cm)
Bucket rotation:171°
Reach from pivot:239 inches (607 cm)
Transport height:146.1 inches (371 cm)
Dipperstick force:7097 lbs (3219 kg)
Attachment overview:Front-end loader, Backhoe

Transmission

Type:power shift
Gears:3 forward and 2 reverse
Description:Full power shift transmission with torque converter.

Backhoe & Loader

Dig depth:194.9 inches (495 cm)
Dump angle:49 inches (124 cm)