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Allis Chalmers 611 Hydro vs Allis Chalmers T-811
Verdict: Allis Chalmers 611 Hydro vs Allis Chalmers T-811
The Allis Chalmers 611 Hydro and the Allis Chalmers T-811 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 11 hp. Allis Chalmers T-811 is the lighter machine (204 kg vs 249 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 611 Hydro is the newer design (1983 vs 1982). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Allis Chalmers
62
Fit score
Best match
Clear
Allis Chalmers
62
Fit score
Best match
Clear
Rated power
11 hp
11 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Allis ChalmersReference
Allis ChalmersReference
air-cooled vertical-shaftReference
Three-speed gear transmission with variable speed lever.Reference
Steering
manualReference
—
Variants
4211H
similar Simplicity modelReference
—
Engine
Fuel tank
8.3 LReference
8.3 LReference
Displacement
24.36 ciReference
24.36 ciReference
Bore/Stroke
87 x 67 mmReference
87 x 67 mmReference
Power
8.2 kWReference
8.2 kWReference
Air cleaner
foamReference
—
Rated RPM
3600Reference
3600Reference
Idle RPM
1750-3400Reference
—
Starter volts
12Reference
12Reference
Oil capacity
0.7 LReference
1.1 LReference
Transmission
1
—
ThrottleReference
2
—
Gear shiftReference
3
—
VariatorReference
4
—
Clutch/brakeReference
Gears
infinite forward and reverseReference
3 forward and 1 reverseReference
Transmission
—
Vari-ShiftReference
PTO & Hydraulics
Mid PTO
independentReference
—
Clutch
manualReference
mechanical idler pulleyReference
Mid PTO Type
pulleyReference
—
Front PTO
—
independentReference
Dimensions
Wheelbase
115 cmReference
—
Weight
36 kgReference
50 kgReference
Front tire
13-6.00x6Reference
15x6.00-6Reference
Rear tire
18-8.50x8Reference
23x10.50-12Reference
Lawn/turf front
13-6.00x6Reference
15x6.00-6Reference
Lawn/turf rear
18-8.50x8Reference
23x10.50-12Reference
Length
165 cmReference
170 cmReference
Width
85 cmReference
96 cmReference
Height (steering wheel)
99 cmReference
105 cmReference
Height (hood)
85 cmReference
91 cmReference
Ground clearance
13 cmReference
—
Clearance (front axle)
23 cmReference
—
Allis Chalmers 611 Hydro attachments
Electrical
Ground
negativeReference
negativeReference
Charging amps
3Reference
—
Battery volts
12Reference
12Reference
Attachment overview
36" Mower deck
Type
belt-driven hydrostaticReference
belt-driven gearReference
Cutting width
91 cmReference
106 cmReference
Overall width
116 cmReference
144 cmReference
Cut height
3 to 8 cmReference
3 to 7 cmReference
Allis Chalmers T-811 attachments
T-811 Serial Number Location
Links
42" Mower deck
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.