Allis Chalmers 615 backhoe loader tractor: review and specs

The Allis Chalmers 615 is a 2WD backhoe loader tractor, manufactured by Allis Chalmers in Topeka, Kansas, USA from 1966 to 1974.

The Allis Chalmers 615 is equipped with one of three engines: a 2.6 L (160.0 cu·in) four-cylinder gasoline engine, a 2.9 L (175.0 cu·in) four-cylinder diesel engine or 3.3 L (200.0 cu·in) four-cylinder diesel engine and one of two transmissions: a power shuttle transmission with 4 forward and 4 reverse gears or a gear type with dry disc clutch transmission with 4 forward and 1 reverse gears.

The tractor could be equipped with the following engines:

Allis-Chalmers. It is a 2.6 L, 2,622 cm², (160.0 cu·in) four-cylinder natural aspirated gasoline engine with 92.0 mm (3.62 in) of the cylinder bore and 92.0 mm (3.62 in) of the piston stroke. The compression ratio rating is 8:1. This engine produced 57.7 PS (42.4 kW; 56.9 HP) at 2,000 rpm of output power and 208.8 N·m (21.3 kg·m, 153.9 ft·lb) at 1,625 rpm of peak torque.
Allis-Chalmers. It is a 2.9 L, 2,868 cm², (175.0 cu·in) four-cylinder natural aspirated diesel engine. The cylinder bore is 90.0 mm (3.54 in) and the piston stroke is 111.0 mm (4.37 in). The compression ratio rating is 15.5:1. This engine produced 44.6 PS (32.8 kW; 44 HP) at 2,000 rpm of output power.
Allis-Chalmers D2200. It is a 3.3 L, 3,277 cm², (200.0 cu·in) four-cylinder natural aspirated diesel engine. The cylinder bore is 98.0 mm (3.87 in) and the piston stroke is 105.0 mm (4.12 in). The compression ratio rating is 16.25:1. This engine produced 57.8 PS (42.5 KW; 57.0 HP) at 2,000 rpm of output power and 207.5 Nm (21.17 kg·m; 153.14 ft·lb) of torque.

The Allis Chalmers 615 is equipped with power steering, mechanical drum brakes, an open operator station and 60.6 liters (16 US gal.; 13.3 Imp. gal) fuel tank.

Allis Chalmers 615 Specifications

General Specifications
Model	Allis Chalmers 615
Length	–
Width	–
Height (steering wheel)	1,600 mm (63 in)
Wheel base	2,200 mm (86.6 in)
Weight	–
Fuel tank capacity	60.6 liters (16 US gal.; 13.3 Imp. gal)
Battery	12V
Cabin type	Open operator station
Engine
Engine model	Allis-Chalmers
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	4
Fuel type	Gasoline
Displacement	2.6 L, 2,622 cm², (160.0 cu·in)
Bore and stroke	92.0 mm X 92.0 mm (3.62 in X 3.62 in)
Compression ratio	8:1
Horsepower	57.7 PS (42.4 kW; 56.9 HP) at 2,000 rpm
Torque	208.8 N·m (21.3 kg·m, 153.9 ft·lb) at 1,625 rpm
Starter	Electric
Oil capacity:	3.8 L (4 US. qts, 3.3 Imp. qts.)
Coolant capacity:	9.5 L (10 US. qts, 8.4 Imp. qts.)
Spark plug	ACDelco C-45, Champion J-7, Auto-Lite A-5
Engine
Engine model	Allis-Chalmers
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	4
Fuel type	Diesel
Displacement	2.9 L, 2,868 cm², (175.0 cu·in)
Bore and stroke	90.0 mm X 111.0 mm (3.54 in X 4.37 in)
Compression ratio	15.5:1
Horsepower	44.6 PS (32.8 kW; 44 HP) at 2,000 rpm
Starter	Electric
Engine
Engine model	Allis-Chalmers D2200
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	4
Fuel type	Diesel
Displacement	3.3 L, 3,277 cm², (200.0 cu·in)
Bore and stroke	98.0 mm X 105.0 mm (3.87 in X 4.12 in)
Compression ratio	16.25:1
Horsepower	57.8 PS (42.5 KW; 57.0 HP) at 2,000 rpm
Torque	207.5 Nm (21.17 kg·m; 153.14 ft·lb) at 1,750 rpm
Oil capacity:	8.5 L (9.0 US.qts, 7.5 Imp. qts)
Coolant capacity:	12.8 L (13.5 US.qts, 11.3 Imp. qts)
Starter	Electric

Transmission and chassis
Chassis	4×2 2WD
Steering type	Power
Brakes	Mechanical drum
Final drive	Bull gear
Transmission model	–
Transmission type	Power shuttle
Gears	4 forward and 4 reverse
Speed	Forward: 25.9 kmh (16.1 mph) Reverse: 29.9 kmh (18.6 mph)
Transmission model	–
Transmission type	Gear type with dry disc clutch
Gears	4 forward and 1 reverse
Speed	Forward: 25.9 kmh (16.1 mph) Reverse: 8.0 kmh (5 mph)
Tires
Front tires	Ag: 7.50×16
Rear tires	Ag: 16.9×24

PTO (Power take-off shaft)
Rear PTO type	–
Rear PTO speed	540/1,000 rpm
Hydraulic system
Hydraulic type	Open center
Pressure	2250 psi (155.1 bar)
Pump flow	24 gpm (90.8 lpm)
Steering flow	5.25 gpm (19.9 lpm)
Total flow	4.75 gpm (18 lpm)

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