Head to head · Utility

Allis Chalmers 8550 vs Challenger MT755C

Allis Chalmers 8550 Tractor
Allis ChalmersModel A

Allis Chalmers 8550

Utility

power
300 hp
displacement
731 ci
Cylinders
6
Forward gears
20
Full 8550 specs
Image not recorded
ChallengerModel B

Challenger MT755C

Agricultural

power
301 hp
displacement
537 ci
Cylinders
6
Forward gears
16
Full MT755C specs
Allis ChalmersAllis Chalmers 8550
vs
ChallengerChallenger MT755C

How they compare

Headline specs vs. the whole Utility

n = 3,933–5,720

Engine Power

▲ MT755C higher · +1 hp (<1%)
8550300 hp
MT755C301 hp
Median Utility Tractor55 hp

8550 is in the 97th percentile; MT755C is in the 97th · 5,383 models

Engine Displacement

▲ 8550 higher · +194 ci (+36%)
8550731 ci
MT755C537 ci
Median Utility Tractor183 ci

8550 is in the 96th percentile; MT755C is in the 94th · 5,580 models

Cylinders

= Effectively tied
85506
MT755C6
Median Utility Tractor4

8550 is in the 93rd percentile; MT755C is in the 93rd · 5,720 models

Forward Gears

▲ 8550 higher · +4 (+25%)
855020
MT755C16
Median Utility Tractor12

8550 is in the 86th percentile; MT755C is in the 73rd · 4,941 models

8550 (A)MT755C (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 8550Challenger MT755CDifference
ManufacturerAllis ChalmersChallenger—
Model8550MT755C—
CategoryUtilityAgricultural—

Engine

SpecAllis Chalmers 8550Challenger MT755CDifference
ManufacturerAllis ChalmersCaterpillar—
Model6120TC9 ACERT—
Power Output300hp301hp▲ MT755C+1 hp · <1%
Rated RPM2,500RPM2,100RPM▲ 8550+400 RPM · +19%
Cylinders66Same
Displacement731ci537ci▲ 8550+194 ci · +36%
Bore5.3in4.4in▲ 8550+0.9 in · +20%
Stroke6.3in5.9in▲ 8550+0.4 in · +7%

Transmission

SpecAllis Chalmers 8550Challenger MT755CDifference
TypePartial Power ShiftFull power shift—

Dimensions & Weight

SpecAllis Chalmers 8550Challenger MT755CDifference
Length285in233in▲ 8550+52 in · +22%
Width95.5in133in▲ MT755C+37.5 in · +39%
Height139in136in▲ 8550+3 in · +2%
Operating Weight27,040lb30,195lb▲ MT755C+3,155 lb · +12%

Hydraulics

SpecAllis Chalmers 8550Challenger MT755CDifference
System TypeClosed CenterClosed center pressure-flow compensated—
Steering TypeHydrostatic PowerSpeed sensitive differential—

Power Take-off (PTO)

SpecAllis Chalmers 8550Challenger MT755CDifference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers 8550Challenger MT755CDifference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIV/IIIIII/IIIN—

Chassis & Drive

SpecAllis Chalmers 8550Challenger MT755CDifference
Chassis Type4x4 Articulated 4WDCrawler—
Drive Type4WDNot recorded—
Steering TypeHydrostatic PowerSpeed sensitive differential—
Brake TypeHydraulic Wet DiscsHydraulic wet disc—

Electrical

SpecAllis Chalmers 8550Challenger MT755CDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 8550Challenger MT755CDifference
Coolant18galNot recorded—

Operator Station

SpecAllis Chalmers 8550Challenger MT755CDifference
TypeAcousta Cab II with heat and air-conditioningCab—

Category context

Both models against the field

Engine Power

median 55 hp
A · 97th percentile (300 hp)B · 97th percentile (301 hp)

Engine Displacement

median 183 ci
A · 96th percentile (731 ci)B · 94th percentile (537 ci)

Cylinders

median 4
A · 93rd percentile (6)B · 93rd percentile (6)

Forward Gears

median 12
A · 86th percentile (20)B · 73rd percentile (16)

Operating Weight

median 5,303 lb
A · 96th percentile (27,040 lb)B · 97th percentile (30,195 lb)
A · 8550B · MT755CMedian Utility Tractor
Full spec pageAllis Chalmers 8550Full spec pageChallenger MT755C