The Allis Chalmers HD20 tractor weighs 41,000 lb (18,597 kg) using its primary published weight. That places it around the 79th percentile among tractors in the dataset, heavier than about 79% of its peers. With 175 hp, the tractor carries about 234.3 lb of published weight per horsepower.
The published Allis Chalmers HD20 weight is 41,000 lb (18,597 kg). The primary figure used for comparisons is 41,000 lb (18,597 kg), listed as Weight.
Tractor-weight benchmark
How this weight compares
All tractors in this dataset · 2,282 tractors in the benchmark.
Representative published weight
Very heavy
41,000 lb
Low1,984 lb
This model41,000 lb
Average9,927 lb
High21,767 lb
Low and high use the 10th and 90th percentiles of the peer group, which keeps one unusually light or heavy tractor from distorting the scale. Average is the peer-group mean.
At a glance
Tractor profile
Published weight41,000 lb (18,597 kg)
Overall weight bandExtra heavy
Tractor typeFarm tractor
Primary horsepower175 hp / 130.5 kW
Max length191 in (485 cm)
Max width109.3 in (277 cm)
Overview
Model information
Manufacturer
Allis Chalmers
Model
HD20
Category
Farm tractor
Model years
1951 – 1954
Tractor type
Farm tractor
Published weight variants
1
Published configurations
Weight variants
Shipping, operating, ballasted and drivetrain/configuration weights are kept separate when the source publishes them separately.
Weight type
Configuration
Weight
Metric
US tons
Variant / note
Weight
—
41,000 lb
18,597 kg
20.5
—
Dimensions, power & hauling
Technical details
Dimensions
Length191 in (485 cm)
Width109.3 in (277 cm)
Height95 in (241 cm)
Power & weight ratios
Primary power175 hp (130.5 kW)
Power basisEngine (net)
Weight per horsepower234.3 lb/hp
Weight per foot of length2,575.9 lb/ft
Transport snapshot
Primary published weight41,000 lb (18,597 kg)
Maximum published weight41,000 lb (18,597 kg)
Maximum US-ton equivalent20.5 US tons
Maximum published width109.3 in (277 cm)
Published width over 102 inYes
Weight context
Weight range41,000 lb (18,597 kg)
Primary weight basisWeight
Peer positionVery heavy among All tractors in this dataset · 96th percentile
Physical size classLarge
For transport planning, the representative published tractor weight is about 41,000 lb (20.5 US tons); published configurations reach 41,000 lb (20.5 US tons); the widest published tractor dimension is 109.3 in (9.1 ft). Actual transport weight and dimensions can increase with fuel, ballast, a loader, implements, tires and other installed equipment.
Nearby benchmarks
Tractors with similar weight
Useful reference points from the same dataset.
Closest by published weight
Case IH Steiger 425 (40800 lb)
Case IH Steiger 475 (40800 lb)
Case IH Steiger 525 (40800 lb)
New Holland T9.470 (40800 lb)
New Holland T9.520 (40800 lb)
Closest comparable tractors
Case IH Quadtrac 9370QT (44000 lb)
Case IH Quadtrac 9380QT (44000 lb)
International Harvester TD-20 200 (32485 lb)
Allis Chalmers HD21 (45500 lb, 225 hp)
Case IH STX500QT Quadtrac (53264 lb)
Common questions
Allis Chalmers HD20 weight FAQ
How much does an Allis Chalmers HD20 weigh?
The Allis Chalmers HD20 weighs 41,000 lb (18,597 kg) using the primary published weight figure.
Is the Allis Chalmers HD20 a heavy farm tractor?
Yes. The representative figure sits at about the 96th percentile, heavier than roughly 96% of the all tractors in this dataset. That puts it in the very heavy range for this comparison. It is 31,073 lb heavier than the peer-group average of 9,927 lb.
Is the Allis Chalmers HD20 wider than 8.5 feet?
Yes. The maximum published width is 109.3 in (9.1 ft), which is 7.3 in wider than 8.5 ft. Actual transport width still depends on wheel/tire spacing and installed equipment.
Does the Allis Chalmers HD20 weigh more than 10,000 lb?
Yes. The representative published weight is 41,000 lb, and the heaviest published configuration on this page is 41,000 lb (20.5 US tons). Any trailer calculation also needs the trailer itself plus fuel, ballast, attachments and other equipment.
What is the Allis Chalmers HD20 weight-to-horsepower ratio?
Using the page’s representative 41,000 lb weight and 175 hp power figure, the tractor carries about 234.3 lb per horsepower. A lower lb/hp number means less tractor mass for each horsepower; this is a comparison metric, not a traction or performance rating.
How many tons does the Allis Chalmers HD20 weigh?
The representative published weight is about 20.5 US tons, while the full published range is 20.5 US tons. Loaded transport weight can be higher than the tractor specification.
