Head to head · Agricultural

Allis Chalmers HD11 vs IMT 399

Allis Chalmers HD11 Tractor
Allis ChalmersModel A

Allis Chalmers HD11

Crawler

power
110 hp
displacement
516 ci
Cylinders
6
Forward gears
6
Full HD11 specs
IMT 399 Tractor
IMTModel B

IMT 399

Agricultural

power
111 hp
displacement
366 ci
Cylinders
6
Forward gears
12
Full 399 specs
Allis ChalmersAllis Chalmers HD11
vs
IMTIMT 399

How they compare

Headline specs vs. the whole Agricultural

n = 497–1,130

Engine Power

▲ 399 higher · +1 hp (<1%)
HD11110 hp
399111 hp
Median Agricultural Tractor110 hp

HD11 is in the 50th percentile; 399 is in the 51st · 1,028 models

Engine Displacement

▲ HD11 higher · +150 ci (+41%)
HD11516 ci
399366 ci
Median Agricultural Tractor336 ci

HD11 is in the 89th percentile; 399 is in the 59th · 1,083 models

Cylinders

= Effectively tied
HD116
3996
Median Agricultural Tractor5.5

HD11 is in the 74th percentile; 399 is in the 74th · 1,130 models

Forward Gears

▲ 399 higher · +6 (+100%)
HD116
39912
Median Agricultural Tractor16

HD11 is in the 11th percentile; 399 is in the 33rd · 972 models

HD11 (A)399 (B)Median Agricultural Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers HD11IMT 399Difference
ManufacturerAllis ChalmersIMT—
ModelHD11399—
CategoryCrawler, AgriculturalAgricultural—

Engine

SpecAllis Chalmers HD11IMT 399Difference
ManufacturerAllis ChalmersNot recorded—
ModelHD-5161006.6—
Power Output110hp111hp▲ 399+1 hp · <1%
Rated RPM1,800RPM2,250RPM▲ 399+450 RPM · +25%
Cylinders66Same
Displacement516ci366ci▲ HD11+150 ci · +41%
Bore4.5inNot recorded—
Stroke5.6inNot recorded—

Transmission

SpecAllis Chalmers HD11IMT 399Difference
TypeSliding GearSynchromesh—

Dimensions & Weight

SpecAllis Chalmers HD11IMT 399Difference
Length154in172in▲ 399+18 in · +12%
Width40in78in▲ 399+38 in · +95%
Height84in104in▲ 399+20 in · +24%
Operating Weight21,000lb7,313lb▲ HD11+13,687 lb · +187%

Tires

SpecAllis Chalmers HD11IMT 399Difference
Front Tire SizeNot recorded14.9-24—
Rear Tire SizeNot recorded18.4-34—

Hitch & Towing

SpecAllis Chalmers HD11IMT 399Difference
Hitch TypeNot recordedThree-Point Hitch—
Hitch CategoryNot recorded2—
Hitch PositionNot recordedRear—
Hitch CapacityNot recorded8,109lb—

Chassis & Drive

SpecAllis Chalmers HD11IMT 399Difference
Chassis TypeCrawlerNot recorded—
Brake TypeContracting bandNot recorded—

Electrical

SpecAllis Chalmers HD11IMT 399Difference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers HD11IMT 399Difference
Coolant11gal6.7gal▲ HD11+4.3 gal · +64%

Operator Station

SpecAllis Chalmers HD11IMT 399Difference
TypeOpen operator stationNot recorded—

Category context

Both models against the field

Engine Power

median 110 hp
A · 50th percentile (110 hp)B · 51st percentile (111 hp)

Engine Displacement

median 336 ci
A · 89th percentile (516 ci)B · 59th percentile (366 ci)

Cylinders

median 5.5
A · 74th percentile (6)B · 74th percentile (6)

Forward Gears

median 16
A · 11th percentile (6)B · 33rd percentile (12)

Operating Weight

median 10,914 lb
A · 87th percentile (21,000 lb)B · 26th percentile (7,313 lb)
A · HD11B · 399Median Agricultural Tractor
Full spec pageAllis Chalmers HD11Full spec pageIMT 399