Allis Chalmers industrial tractors

Allis Chalmers 715B

The Allis Chalmers 715B is a backhoe loader tractor produced from 1978 to 1980. It features a Perkins 3.9L 4-cylinder diesel engine delivering 72 hp gross and 65 hp net power. The tractor has a 4-speed torque converter transmission by Warner and is equipped with two-wheel drive, power steering, and mechanical wet disc brakes. It has a four-post ROPS with an optional cab and heater. The hydraulic system is open center with a capacity of 27 gallons and a pressure of 2450 psi. The 715B has a wheelbase of 84 inches, weighs 13,000 lbs, and uses 11Lx16 front tires and 16.9x24 rear tires. The backhoe attachment offers a digging depth of 180 inches and a swing arc of 180°, while the loader can lift 4700 lbs at full pin height with a 45° dump angle. Electrical system includes a 12-volt battery and a 42 amp alternator.

Power-

Founded-

Model715B

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Technical Specifications

Detailed specifications and technical data for Allis Chalmers 715B

Power

Engine (net)	65 hp (48.5 kW)
Engine (gross)	72 hp (53.7 kW)

Engine

Type	diesel, 4-cylinder, liquid-cooled
Model	Perkins 4.236
Torque	186 lb-ft (252.2 Nm)
Starter	electric
Rated RPM	2250
Torque RPM	1400
Bore/Stroke	3.875x5.00 inches (98 x 127 mm)
Compression	16:1
Power (net)	65 hp (48.5 kW)
Displacement	236 ci (3.9 L)
Oil capacity	12 qts (11.4 L)
Power (gross)	72 hp (53.7 kW)
Starter volts	12
Coolant capacity	20 qts (18.9 L)

Weight

Operating	13000 lbs (5896 kg)
Max rear axle	12500 lbs (5670 kg)
Max front axle	12500 lbs (5670 kg)

Capacity

Fuel	20 gal (75.7 L)
Hydraulic system	27 gal (102.2 L)

Electrical

Ground	negative
Battery volts	12
Charging amps	42
Charging system	alternator

Hydraulics

Type	open center
Capacity	27 gal (102.2 L)
Pressure	2450 psi (168.9 bar)
Pump flow	18 gpm (68.1 lpm)
Steering flow	5 gpm (18.9 lpm)
Additional flow	11.3 gpm (42.8 lpm)
Steering pressure	1250 psi (86.2 bar)

Mechanical

ROPS	Four-post ROPS. Cab optional with heater.
Drive	Two-wheel drive
Brakes	Mechanical wet disc brakes
Steering	Power steering

Production

Type	Backhoe loader tractor
Manufacturer	Allis Chalmers
Years produced	1978 - 1980

Attachments

Loader	4700 lbs lift (full at pin) (2131 kg), 7500 lbs breakout (3402 kg), 45° dump, 30 inches reach (dumped) (76 cm), 40° rollback (ground line), 125 inches height (at pin) (317 cm), 104 inches clearance (dumped) (264 cm), raise: 5s, dump: 2s, lower: 3s, rollback: 2s
Backhoe	Backhoe type: Allis Chalmers Backhoe, Transport height: 136 inches (345 cm), Digging depth: 180 inches (457 cm), Reach from pivot: 222 inches (563 cm), Loading height: 129 inches (327 cm), Swing Arc: 180°, Bucket force: 10000 lbs (4536 kg), Dipperstick force: 6900 lbs (3129 kg)
Attachment overview	Front-end loader, Backhoe

Transmission

Type	torque converter
Gears	4 forward and reverse
Transmission	Warner

Backhoe & Loader

Dig depth	180 inches (457 cm)
Dump angle	45 inches (114 cm)

Dimensions & Tires

Width	83 inches (210 cm)
Length	282 inches (716 cm)
Rear tire	16.9x24
Wheelbase	84 inches (213 cm)
Front tire	11Lx16
Rear tread	65 inches (165 cm)
Front tread	67 inches (170 cm)
Height (ROPS)	99 inches (251 cm)
Ground clearance	13.25 inches (33 cm)
Height (backhoe)	136 inches (345 cm)