Caterpillar industrial tractors

Caterpillar 426 II

The Caterpillar 426 II is a backhoe loader tractor produced from 1990 to 1992. It features a Perkins 3.9L 4-cylinder diesel engine delivering 70 hp (52.2 kW) rated power and 75 hp (55.9 kW) gross power. The tractor offers a fully synchromesh 4-speed transmission with 4 forward and reverse gears. It has a 4x2 2WD drive with optional 4x4 MFWD 4WD. The hydraulic system is variable with a capacity of 21.7 gallons and a pressure of 2697 psi. Dimensions include a wheelbase of 82.7 inches, length of 272.3 inches, width of 89.1 inches, and operating weight ranging from 14,626 lbs (2WD) to 14,890 lbs (4WD). The tractor is equipped with front-end loader and backhoe attachments, with detailed specifications for lifting capacity, digging depth, and bucket force.

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Model426 II

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Technical Specifications

Detailed specifications and technical data for Caterpillar 426 II

Power

Engine	70 hp (52.2 kW)
Engine (gross)	75.0 hp (55.9 kW)

Engine

Type	diesel, 4-cylinder, liquid-cooled
Model	Perkins 4.236
Power	70 hp (52.2 kW)
Starter	electric
Rated RPM	2400
Bore/Stroke	3.875x5.00 inches (98 x 127 mm)
Displacement	235.8 ci (3.9 L)
Oil capacity	6.4 qts (6.1 L)
Power (gross)	75.0 hp (55.9 kW)
Starter volts	12
Coolant capacity	19.1 qts (18.1 L)

Capacity

Fuel	28.0 gal (106.0 L)
Rear axle	16.8 qts (15.9 L)
Front axle	6.8 qts (6.4 L)
Hydraulic system	21.7 gal (82.1 L)

Dimensions

Width	89.1 inches (226 cm)
Height	147.3 inches (374 cm)
Length	272.3 inches (691 cm)
Wheelbase	82.7 inches (210 cm)
Height (cab)	106.9 inches (271 cm)
Ground clearance	11.5 inches (29 cm)
Operating weight	14,626 lbs (2WD) (6634 kg), 14,890 lbs (4WD) (6754 kg)

Electrical

Charging amps	52
Charging system	alternator

Hydraulics

Type	Variable
Capacity	21.7 gal (82.1 L)
Pressure	2697 psi (186.0 bar)
Total flow	36.5 gpm (138.2 lpm)

Mechanical

Drive	4x2 2WD, 4x4 MFWD 4WD optional

Production

Type	Backhoe loader tractor
Years produced	1990 - 1992

Attachments

Loader	5,402 lbs lift (full at pin) (2450 kg), 7,666 lbs breakout (bucket) (3477 kg), 30.6 inches reach (dumped) (77 cm), 100.9 inches clearance (dumped) (256 cm), Bucket width: 89.1 inches (226 cm), Bucket capacity: 1.3 cu yd (1.0 cu m)
Backhoe	Backhoe typeCaterpillar Backhoe Bucket force10,442 lbs (4736 kg) Digging depth184.6 inches (468 cm) Loading height143.6 inches (364 cm) Bucket force (extended stick)10,262 lbs (4654 kg) Digging depth (extended stick)236.4 inches (600 cm) Loading height (extended stick)170.7 inches (433 cm) Reach from pivot (extended stick)277.4 inches (704 cm)
Attachment overview	Front-end loader, Backhoe