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Allis Chalmers 620 vs Allis Chalmers 920

Verdict: Allis Chalmers 620 vs Allis Chalmers 920

The Allis Chalmers 620 and the Allis Chalmers 920 are both lawn tractors — here is how they stack up on the figures that matter. Allis Chalmers 620 leads on rated power with 20 hp against 19 hp. Allis Chalmers 920 is the lighter machine (312 kg vs 589 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 920 is the newer design (1984 vs 1973). In short: choose the Allis Chalmers 620 for outright pulling power, or the Allis Chalmers 920 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 620 Lawn Tractor
Allis Chalmers
62
Fit score
Best match
Clear
Allis Chalmers 920 Lawn Tractor
Allis Chalmers
62
Fit score
Best match
Clear
Rated power
20 hp
19 hp
Confidence
40%
40%
Guide price
Overview
Distributor
Allis ChalmersReference
Manufacturer
SundstrandReference
Allis ChalmersReference
air-cooled horizontal-shaft opposed-twinReference
air-cooledReference
Final drives
spur gearReference
Steering
power optionalReference
Variants
4041
similar Simplicity modelReference
Engine
Displacement
49.8 ciReference
48.21 ciReference
Bore/Stroke
83 x 76 mmReference
86 x 68 mmReference
Power (gross)
14.5 kWReference
Air cleaner
paper elementReference
dryReference
Compression
7:1Reference
Rated RPM
3600Reference
2800Reference
Starter volts
12Reference
12Reference
Oil capacity
3.3 LReference
2.8 LReference
Fuel tank
11.4 LReference
Power
13.8 kWReference
Starter
electricReference
Oil change
300 hReference
Transmission
1
ThrottleReference
2
Clutch/BrakeReference
3
Forward/ReverseReference
Gears
infinite forward and reverse (3-range)Reference
infinite forward and reverseReference
Capacities
Fuel
14.4 LReference
PTO & Hydraulics
Hydraulic system
4.7 LReference
Capacity
4.7 LReference
Pressure
34.5 barReference
Pump flow
8.5 lpmReference
Rear Type
0Reference
Rear PTO
independentReference
Clutch
electricReference
Rear PTO Type
2000Reference
Front PTO
independentReference
Front PTO Type
3600Reference
Dimensions
Wheelbase
142 cmReference
122 cmReference
Weight
589 kgReference
312 kgReference
Front tire
20x8-10Reference
16-6.50x8Reference
Rear tire
29x12.50-15Reference
23-10.50x12Reference
Ag front
4.00x12Reference
Ag rear
8x16Reference
Lawn/turf front
20x8-10Reference
16-6.50x8Reference
Lawn/turf rear
29x12.50-15Reference
23-10.50x12Reference
Length
210 cmReference
177 cmReference
Width
121 cmReference
98 cmReference
Height
109 cmReference
Shipping weight
589 kgReference
Ground clearance
38 cmReference
Height (steering wheel)
100 cmReference
Height (hood)
90 cmReference
Allis Chalmers 620 attachments
620 Serial Numbers
Location:
Serial number decal on the right side of the tractor frame, above the foot rest.Reference
Electrical
Ground
negativeReference
negativeReference
Charging amps
20Reference
16Reference
Battery volts
12Reference
12Reference
Charging system
flywheel alternatorReference
Battery CCA
500Reference
Battery Group
24Reference
Attachment overview
60" Mower deck
Type
hydrostaticReference
belt-driven hydrostaticReference
Cutting width
152 cmReference
Cut height
4 to 7 cmReference
Allis Chalmers 920 attachments
920 Serial Number Location
Links

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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