Head to head · Utility

Allis Chalmers 8550 vs CaseIH 9250

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
CaseIHModel B

CaseIH 9250

Utility

power
300 hp
displacement
611 ci
Cylinders
6
Forward gears
12
Full 9250 specs
Allis ChalmersAllis Chalmers 8550
vs
CaseIHCaseIH 9250

How they compare

Headline specs vs. the whole Utility

n = 4,321–5,720

Engine Power

= Effectively tied
8550300 hp
9250300 hp
Median Utility Tractor55 hp

8550 is in the 97th percentile; 9250 is in the 97th · 5,383 models

Engine Displacement

▲ 8550 higher · +120 ci (+20%)
8550731 ci
9250611 ci
Median Utility Tractor183 ci

8550 is in the 96th percentile; 9250 is in the 95th · 5,580 models

Cylinders

= Effectively tied
85506
92506
Median Utility Tractor4

8550 is in the 93rd percentile; 9250 is in the 93rd · 5,720 models

Forward Gears

▲ 8550 higher · +8 (+67%)
855020
925012
Median Utility Tractor12

8550 is in the 86th percentile; 9250 is in the 50th · 4,941 models

8550 (A)9250 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 8550CaseIH 9250Difference
ManufacturerAllis ChalmersCaseIH—
Model85509250—
CategoryUtilityUtilitySame

Engine

SpecAllis Chalmers 8550CaseIH 9250Difference
ManufacturerAllis ChalmersCummins—
Model6120TLTA-10—
Power Output300hp300hpSame
Rated RPM2,500RPM2,100RPM▲ 8550+400 RPM · +19%
Cylinders66Same
Displacement731ci611ci▲ 8550+120 ci · +20%
Bore5.3in4.9in▲ 8550+0.4 in · +8%
Stroke6.3in5.4in▲ 8550+0.9 in · +17%

Transmission

SpecAllis Chalmers 8550CaseIH 9250Difference
TypePartial Power ShiftFull power shift—

Dimensions & Weight

SpecAllis Chalmers 8550CaseIH 9250Difference
Length285inNot recorded—
Width95.5inNot recorded—
Height139in143in▲ 9250+4 in · +3%
Operating Weight27,040lb30,060lb▲ 9250+3,020 lb · +11%

Hydraulics

SpecAllis Chalmers 8550CaseIH 9250Difference
System TypeClosed CenterClosed center load sensing, pressure compensating—
Steering TypeHydrostatic PowerHydrostatic power with articulation and front-axle steering—

Power Take-off (PTO)

SpecAllis Chalmers 8550CaseIH 9250Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Tires

SpecAllis Chalmers 8550CaseIH 9250Difference
Front Tire SizeNot recorded20.8x38—
Rear Tire SizeNot recorded20.8x38—

Hitch & Towing

SpecAllis Chalmers 8550CaseIH 9250Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIV/IIIIII—
Hitch PositionNot recordedRear—

Chassis & Drive

SpecAllis Chalmers 8550CaseIH 9250Difference
Chassis Type4x4 Articulated 4WD4x4 articulated 4WDSame
Drive Type4WD4WDSame
Steering TypeHydrostatic PowerHydrostatic power with articulation and front-axle steering—
Brake TypeHydraulic Wet DiscsHydraulic wet disc—

Electrical

SpecAllis Chalmers 8550CaseIH 9250Difference
Battery VoltageNot recorded12V—
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 8550CaseIH 9250Difference
Coolant18gal13.5gal▲ 8550+4.5 gal · +33%

Operator Station

SpecAllis Chalmers 8550CaseIH 9250Difference
TypeAcousta Cab II with heat and air-conditioningNot recorded—

Category context

Both models against the field

Engine Power

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

Engine Displacement

median 183 ci
A · 96th percentile (731 ci)B · 95th percentile (611 ci)

Cylinders

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

Forward Gears

median 12
A · 86th percentile (20)B · 50th percentile (12)

Operating Weight

median 5,303 lb
A · 96th percentile (27,040 lb)B · 97th percentile (30,060 lb)
A · 8550B · 9250Median Utility Tractor
Full spec pageAllis Chalmers 8550Full spec pageCaseIH 9250