Head to head · Agricultural

Allis Chalmers HD11 vs Challenger MT525B

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
Image not recorded
ChallengerModel B

Challenger MT525B

Agricultural

power
104 hp
displacement
402 ci
Cylinders
6
Forward gears
Not recorded
Full MT525B specs
Allis ChalmersAllis Chalmers HD11
vs
ChallengerChallenger MT525B

How they compare

Headline specs vs. the whole Agricultural

n = 497–1,130

Engine Power

▲ HD11 higher · +6 hp (+6%)
HD11110 hp
MT525B104 hp
Median Agricultural Tractor110 hp

HD11 is in the 50th percentile; MT525B is in the 47th · 1,028 models

Engine Displacement

▲ HD11 higher · +114 ci (+28%)
HD11516 ci
MT525B402 ci
Median Agricultural Tractor336 ci

HD11 is in the 89th percentile; MT525B is in the 66th · 1,083 models

Cylinders

= Effectively tied
HD116
MT525B6
Median Agricultural Tractor5.5

HD11 is in the 74th percentile; MT525B is in the 74th · 1,130 models

Operating Weight

▲ HD11 higher · +5,800 lb (+38%)
HD1121,000 lb
MT525B15,200 lb
Median Agricultural Tractor10,914 lb

HD11 is in the 87th percentile; MT525B is in the 70th · 971 models

HD11 (A)MT525B (B)Median Agricultural Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers HD11Challenger MT525BDifference
ManufacturerAllis ChalmersChallenger—
ModelHD11MT525B—
CategoryCrawler, AgriculturalAgricultural—

Engine

SpecAllis Chalmers HD11Challenger MT525BDifference
ManufacturerAllis ChalmersPerkins Diesel—
ModelHD-516U092650K—
Power Output110hp104hp▲ HD11+6 hp · +6%
Rated RPM1,800RPM2,200RPM▲ MT525B+400 RPM · +22%
Cylinders66Same
Displacement516ci402ci▲ HD11+114 ci · +28%
Bore4.5in4.1in▲ HD11+0.4 in · +10%
Stroke5.6in5in▲ HD11+0.5 in · +10%

Transmission

SpecAllis Chalmers HD11Challenger MT525BDifference
TypeSliding GearContinuously Variable Transmission (CVT)—

Dimensions & Weight

SpecAllis Chalmers HD11Challenger MT525BDifference
Length154in169in▲ MT525B+15 in · +10%
Width40in81.1in▲ MT525B+41.1 in · +103%
Height84in113in▲ MT525B+29 in · +35%
Operating Weight21,000lb15,200lb▲ HD11+5,800 lb · +38%

Hydraulics

SpecAllis Chalmers HD11Challenger MT525BDifference
System TypeNot recordedClosed Center Pressure Flow Compensating (PFC)—

Tires

SpecAllis Chalmers HD11Challenger MT525BDifference
Front Tire SizeNot recorded14.9R28—
Rear Tire SizeNot recorded18.4R38—

Hitch & Towing

SpecAllis Chalmers HD11Challenger MT525BDifference
Hitch TypeNot recordedII/III—
Hitch CategoryNot recordedCategory 2/3—
Hitch PositionNot recordedRear—

Chassis & Drive

SpecAllis Chalmers HD11Challenger MT525BDifference
Chassis TypeCrawler2WD—
Drive TypeNot recordedTwo-Wheel Drive—
Brake TypeContracting bandHydraulic Wet Disc—

Electrical

SpecAllis Chalmers HD11Challenger MT525BDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers HD11Challenger MT525BDifference
Coolant11gal7.4gal▲ HD11+3.6 gal · +49%

Operator Station

SpecAllis Chalmers HD11Challenger MT525BDifference
TypeOpen operator stationCab—

Category context

Both models against the field

Engine Power

median 110 hp
A · 50th percentile (110 hp)B · 47th percentile (104 hp)

Engine Displacement

median 336 ci
A · 89th percentile (516 ci)B · 66th percentile (402 ci)

Cylinders

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

Operating Weight

median 10,914 lb
A · 87th percentile (21,000 lb)B · 70th percentile (15,200 lb)

Length

median 173 in
A · 31st percentile (154 in)B · 47th percentile (169 in)
A · HD11B · MT525BMedian Agricultural Tractor
Full spec pageAllis Chalmers HD11Full spec pageChallenger MT525B