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Allis Chalmers 840 vs Allis Chalmers TL-12

Verdict: Allis Chalmers 840 vs Allis Chalmers TL-12

The Allis Chalmers 840 and the Allis Chalmers TL-12 are both industrial tractors — here is how they stack up on the figures that matter. Allis Chalmers 840 leads on rated power with 83 hp against 77 hp. Allis Chalmers 840 is the lighter machine (6,645 kg vs 11,600 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 840 is the newer design (1970 vs 1960). In short: choose the Allis Chalmers 840 for outright pulling power, or the Allis Chalmers TL-12 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
Allis Chalmers 840 Industrial Tractor
Allis Chalmers
62
Fit score
Best match
Clear
Allis Chalmers TL-12 Industrial Tractor
Allis Chalmers
62
Fit score
Best match
Clear
Rated power
83 hp
77 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
Allis ChalmersReference
Allis ChalmersReference
liquid-cooled inlineReference
4-cylinderReference
Final drives
planetaryReference
planetaryReference
Drive
4x4 4WDReference
Engine
Engine (gross)
61.9 kWReference
57.4 kWReference
Displacement
4.1 LReference
3.7 LReference
Bore/Stroke
101 x 127 mmReference
102 x 114 mmReference
Power (gross)
61.9 kWReference
57.4 kWReference
Compression
16:1Reference
Rated RPM
2500Reference
2000Reference
Idle RPM
700-2700Reference
Torque
271.2 NmReference
300.4 NmReference
Torque RPM
1400Reference
1475Reference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Oil capacity
18.9 LReference
Coolant capacity
18.9 LReference
Transmission
Gears
3 forward and reverseReference
4 forward and reverseReference
Capacities
Fuel
128.7 LReference
83.3 LReference
PTO & Hydraulics
Hydraulic system
113.6 LReference
102.2 LReference
Type
power shiftReference
power shuttleReference
Capacity
113.6 LReference
102.2 LReference
Pressure
155.1 barReference
86.2 barReference
Pump flow
113.6 lpmReference
Steering flow
46.2 lpmReference
Steering press.
103.4 barReference
Diesel Pump flow
185.5 lpmReference
Gas Pump flow
170.3 lpmReference
Dimensions
Wheelbase
243 cmReference
205 cmReference
Weight
6645 kgReference
11600 to 11750 poundsReference
Length
530 cmReference
497 cmReference
Height (steering wheel)
240 cmReference
185 cmReference
Height (exhaust)
251 cmReference
Operating weight
6645 kgReference
Front tread
170 cmReference
168 cmReference
Rear tread
170 cmReference
168 cmReference
Front tire
12.00-24Reference
Rear tire
12.00-24Reference
Industrial front
12.00-24Reference
Industrial rear
12.00-24Reference
Diesel Shipping weight
5329 kgReference
Gas Shipping weight
5261 kgReference
Ground clearance
38 cmReference
Allis Chalmers 840 attachments
Electrical
Ground
negativeReference
Charging system
alternatorReference
Charging amps
55Reference
Battery volts
12Reference
Battery AH
95Reference
Variants
TL-10
2WDReference
TL-12
4WDReference
Allis Chalmers TL-12 attachments

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.

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