Allis Chalmers 615 vs Ford 555

Specification	Allis Chalmers 615Backhoe Loaders	Ford 555Backhoe Loaders
Horsepower	42.5 kW (57.0 HP)	42.5 kW (57.0 HP)
Transmission Type	Gear type with dry disc clutch	Torque converter
Pump Flow	90.8 LPM (24.0 GPM)	102.2 LPM (27.0 GPM)
Years Made	1966-1974	1978-1984
Engine Model	Allis-Chalmers D2200	Ford
Engine Type	4-stroke, liquid-cooled, inline	4-stroke, liquid-cooled, inline
Fuel Type	Diesel	Diesel
Cylinders	4	3
Displacement	3277 cc (200.0 cu in.)	3294 cc (201.0 cu in.)
Bore	9.80 cm (3.86 in.)	11.20 cm (4.41 in.)
Stroke	10.49 cm (4.13 in.)	11.20 cm (4.41 in.)
Rear PTO Speed	540 /1.000 RPM	—
Rated RPM	2000 RPM	2200 RPM
Compression Ratio	16.25:1	16.3:1
Spark Plug	ACDelco C-45, Champion J-7, Auto-Lite A-5	—
Battery	12 V	12
Starter	Electric	Electric
Height	160.0 cm (Steering Wheel Height: 63.0 in.)	276.0 cm (ROPS: 105.9 in. (269.0 cm) Cab: 108.7 in.)
Wheelbase	220.0 cm (86.6 in.)	203.0 cm (79.9 in.)
Fuel Tank Capacity	60.6 l (16.0 gal)	90.8 l (24.0 gal)
Oil Capacity	8.5 l (2.2 gal)	6.6 l (1.7 gal)
Coolant Capacity	12.8 l (3.4 gal)	14.5 l (3.8 gal)
Final Drive	Bull gear	—
Gears	4 forward and 1 reverse	4 forward and 4 reverse
Chassis	4×2 2WD	4×2 2WD
Max. Travel Speed	8.0 km/h (Forward: 16.1 MPH (25.9 km/h) Reverse: 5.0 MPH)	32.5 km/h (Forward: 20.2 MPH (32.5 km/h) Reverse: 20.2 MPH)
Brakes	Mechanical drum	Differential mechanical wet disc
Cabin Type	Open operator station	Four-post ROPS or Cab
Steering Type	Power	Hydrostatic power
Front Tires	Ag: 7.50×16	Ag: 7.50-16
Rear Tires	Ag: 16.9×24	Ag: 16.9-24
Hydraulic Type	Open center	Open center
Total Flow	18.0 LPM (4.8 GPM)	—
Steering Flow	19.9 LPM (5.2 GPM)	22.3 LPM (5.9 GPM)
Working Pressure	155.1 bar (2250.0 psi)	148.2 bar (2150.0 psi)
Weight	—	6240.0 kg (Loader: 5996.6 lbs (2720.0 kg) Loader and backhoe: 13756.8 lbs)
Length	—	701.0 cm (Loader: 179.9 in. (457.0 cm) Loader and backhoe: 276.0 in.)
Torque Power	—	1200 RPM
Torque Speed	—	217.0 N·m (160.1 lb-ft)
Ground Clearance	—	30.0 cm (11.8 in.)
Transmission Oil Capacity	—	18.0 l (4.8 gal)
Hydraulic Capacity	—	79.5 l (Loader: 13.0 gal (49.2 l) Backhoe: 21.0 gal)

Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.