Allis Chalmers industrial tractors

Allis Chalmers I40

The Allis Chalmers I40 is an industrial tractor produced from 1964 to 1966 by Allis Chalmers in West Allis, Wisconsin, USA. It features a 40.6 hp gasoline 4-cylinder liquid-cooled engine with a displacement of 2.4 liters. The tractor offers multiple transmission options including 4-speed gear, 4-speed shuttle, and 8-speed dual range. It has two-wheel drive with bull gear final drives and mechanical drum brakes. The I40 includes power steering and an open operator station. Hydraulics are open center type with 2000 psi pressure and 17 gpm flow. The tractor hitch is type I with position and draft control. The rear PTO is independent with 540 RPM at 1650 engine RPM. Dimensions include a 78.75 inch wheelbase, 118.75 inch length, and heights of 61 inches (steering wheel) and 55 inches (hood). Weight ranges from 3980 lbs (tractor) to 7400 lbs (backhoe-loader). Tires are 7.50x16 front and 14.9x24 rear industrial types. Attachments include a front-end loader with 2500 lbs lift capacity and a backhoe with 122 inch digging depth.
Power-
Founded-
ModelI40

Technical Specifications

Detailed specifications and technical data for Allis Chalmers I40

Power
Engine (gross)40.6 hp (30.3 kW)
Tires
Lawn/turf rear12.4x24
Industrial rear14.9x24
Industrial front7.50x16
Engine
Typegasoline
ModelAllis-Chalmers G149
Torque135 lb-ft (183.1 Nm)
Coolingliquid-cooled
Cylinders4-cylinder
Fuel tank12.5 gal (47.3 L)
Rated RPM2000
Torque RPM1200
Bore/Stroke3.50x3.875 inches (89 x 98 mm)
Compression7.5:1
Displacement149 ci (2.4 L)
Firing order1-2-4-3
Oil capacity4.5 qts (4.3 L)
Power (gross)40.6 hp (30.3 kW)
Starter volts12
Weight
Tractor3980 lbs (1805 kg)
Backhoe-loader7400 lbs (3356 kg)
Loader-tractor5550 lbs (2517 kg)
Dimensions
Length118.75 inches (301 cm)
Wheelbase78.75 inches (200 cm)
Rear tread50.3/60.7 inches (127/154 cm)
Front tread54.1/56.3 inches (137/143 cm)
Height (hood)55 inches (139 cm)
Ground clearance20 inches (50 cm)
Height (steering wheel)61 inches (154 cm)
Hydraulics
Typeopen center
Pressure2000 psi (137.9 bar)
Total flow17 gpm (64.3 lpm)
Mechanical
DriveTwo-wheel drive
BrakesMechanical drum brakes
Final drivesbull gear
Power steeringYes
Operator stationOpen operator station
Production
TypeIndustrial tractor
Built inWest Allis, Wisconsin, USA
ManufacturerAllis Chalmers
Years produced1964 - 1966
Attachments
Loader
Dump time2.8s
Dump angle50°
Lower time2.6s
Raise time4.5s
Bucket width67.5 inches (171 cm)
Lift capacity2,500 lbs (1134 kg) full at pin
Rollback time2.0s
Breakout force4,500 lbs (2041 kg)
Reach (dumped)34 inches (86 cm)
Reach (ground)68 inches (172 cm)
Rollback angle25°
Bucket capacity0.75 cu yd (0.6 cu m)
Height (at pin)122 inches (309 cm)
Clearance (dumped)101 inches (256 cm)
Backhoe
TypeAllis-Chalmers Backhoe
Bucket force5,500 lbs (2494 kg)
Bucket widths12 inches (30 cm), 18 inches (45 cm), 24 inches (60 cm), 30 inches (76 cm), 36 inches (91 cm)
Digging depth122 inches (309 cm)
Reach from pivot168 inches (426 cm)
Transport height126 inches (320 cm)
2-Foot flat digging depth120 inches (304 cm)
OverviewFront-end loader, Backhoe
Transmission
Typegear
Gears4 forward and 1 reverse
Clutch228.6mm dry disc
Type (shuttle)shuttle
Gears (shuttle)4 forward and reverse
Gears (dual range)8 forward and 2 reverse
Oil capacity (gear)6.5 qts (6.2 L)
Transmission options4-speed gear, 4-speed shuttle, 8-speed
Oil capacity (shuttle)8 qts (7.6 L)
Transmission (shuttle)Direction Reverser
Oil capacity (dual range)8 qts (7.6 L)
Transmission (dual range)Dual Range
Tractor hitch
Controlposition and draft control
Rear TypeI
Power Take-off (PTO)
Rear PTOindependent
Engine RPM540@1650
Rear PTO Type540 (1.375)