The Allis Chalmers HD11 tractor weighs 21,000 lb (9,525 kg) using its published HD11S Shipping weight. Other useful published figures are 22,200 lb (Weight) and 21,900 lb (HD11ES Shipping). That places it around the 57th percentile among tractors in the dataset, close to the middle of its peer group.
The published Allis Chalmers HD11 weight is 21,000–22,200 lb (9,525–10,069 kg). The primary figure used for comparisons is 21,000 lb (9,525 kg), listed as HD11S Shipping. The published configurations span 1,200 lb, a 5.7% difference from the lightest listed setup.
Tractor-weight benchmark
How this weight compares
All tractors in this dataset · 2,282 tractors in the benchmark.
Representative published weight
Heavy
21,000 lb
Low1,984 lb
This model21,000 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 weight21,000–22,200 lb (9,525–10,069 kg)
Overall weight bandVery heavy
Tractor typeFarm tractor
Primary horsepower110 hp / 82 kW
Max length154 in (391 cm)
Max height84 in (213 cm)
Overview
Model information
Manufacturer
Allis Chalmers
Model
HD11
Category
Farm tractor
Model years
1955 – 1966
Tractor type
Farm tractor
Published weight variants
3
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
—
22,200 lb
10,069 kg
11.1
—
HD11S Shipping
—
21,000 lb
9,525 kg
10.5
—
HD11ES Shipping
—
21,900 lb
9,933 kg
10.95
—
Configuration effect
How configuration changes the weight
1,200 lbLightest to heaviest · 5.7% spread across published variants
Dimensions, power & hauling
Technical details
Dimensions
Length154 in (391 cm)
Height84 in (213 cm)
Power & weight ratios
Primary power110 hp (82 kW)
Power basisEngine (gross)
Weight per horsepower190.9 lb/hp
Weight per foot of length1,636.4 lb/ft
Transport snapshot
Primary published weight21,000 lb (9,525 kg)
Maximum published weight22,200 lb (10,069 kg)
Maximum US-ton equivalent11.1 US tons
Weight context
Weight range21,000–22,200 lb (9,525–10,069 kg)
Primary weight basisHD11S Shipping
Peer positionHeavy among All tractors in this dataset · 89th percentile
Physical size classMid-size
For transport planning, the representative published tractor weight is about 21,000 lb (10.5 US tons); published configurations reach 22,200 lb (11.1 US tons). 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 Magnum 245 (21010 lb)
Case IH Magnum 215 (21035 lb)
New Holland T8010 (21150 lb)
New Holland TG285 (21175 lb)
J.I. Case 40-72 (21200 lb)
Closest comparable tractors
Allis Chalmers L (22000 lb, 91.99 hp)
Allis Chalmers WS (20155 lb, 84 hp)
Allis Chalmers S (20100 lb, 84.3 hp)
Allis Chalmers HD10 (20380 lb, 82.19 hp)
John Deere 5020 (17350 lb)
Common questions
Allis Chalmers HD11 weight FAQ
How much does an Allis Chalmers HD11 weigh?
The Allis Chalmers HD11 weighs 21,000 lb (9,525 kg) using the published HD11S Shipping figure. Across the published configurations on this page, weight ranges from 21,000 to 22,200 lb (9,525 to 10,069 kg).
Is the Allis Chalmers HD11 a heavy farm tractor?
Yes. The representative figure sits at about the 89th percentile, heavier than roughly 89% of the all tractors in this dataset. That puts it in the heavy range for this comparison. It is 11,073 lb heavier than the peer-group average of 9,927 lb.
Does the Allis Chalmers HD11 weigh more than 10,000 lb?
Yes. The representative published weight is 21,000 lb, and the heaviest published configuration on this page is 22,200 lb (11.1 US tons). Any trailer calculation also needs the trailer itself plus fuel, ballast, attachments and other equipment.
What is the Allis Chalmers HD11 weight-to-horsepower ratio?
Using the page’s representative 21,000 lb weight and 110 hp power figure, the tractor carries about 190.9 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 HD11 weigh?
The representative published weight is about 10.5 US tons, while the full published range is 10.5–11.1 US tons. Loaded transport weight can be higher than the tractor specification.
