Head to head · Utility

Allis Chalmers 8550 vs John Deere 7R 290

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
John DeereModel B

John Deere 7R 290

Row Crop

power
284 hp
displacement
548 ci
Cylinders
6
Forward gears
Not recorded
Full 7R 290 specs
Allis ChalmersAllis Chalmers 8550
vs
John DeereJohn Deere 7R 290

How they compare

Headline specs vs. the whole Utility

n = 4,659–5,720

Engine Power

▲ 8550 higher · +16 hp (+6%)
8550300 hp
7R 290284 hp
Median Utility Tractor55 hp

8550 is in the 97th percentile; 7R 290 is in the 96th · 5,383 models

Engine Displacement

▲ 8550 higher · +183 ci (+33%)
8550731 ci
7R 290548 ci
Median Utility Tractor183 ci

8550 is in the 96th percentile; 7R 290 is in the 94th · 5,580 models

Cylinders

= Effectively tied
85506
7R 2906
Median Utility Tractor4

8550 is in the 93rd percentile; 7R 290 is in the 93rd · 5,720 models

Operating Weight

▲ 8550 higher · +1,600 lb (+6%)
855027,040 lb
7R 29025,440 lb
Median Utility Tractor5,303 lb

8550 is in the 96th percentile; 7R 290 is in the 96th · 5,107 models

8550 (A)7R 290 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 8550John Deere 7R 290Difference
ManufacturerAllis ChalmersJohn Deere—
Model85507R 290—
CategoryUtilityRow Crop—

Engine

SpecAllis Chalmers 8550John Deere 7R 290Difference
ManufacturerAllis ChalmersJohn Deere—
Model6120TNot recorded—
Power Output300hp284hp▲ 8550+16 hp · +6%
Rated RPM2,500RPMNot recorded—
Cylinders66Same
Displacement731ci548ci▲ 8550+183 ci · +33%
Bore5.3in4.7in▲ 8550+0.6 in · +13%
Stroke6.3in5.4in▲ 8550+0.9 in · +17%

Transmission

SpecAllis Chalmers 8550John Deere 7R 290Difference
TypePartial Power ShiftSelective gear fixed ratio with full range operator controlled power shift—

Dimensions & Weight

SpecAllis Chalmers 8550John Deere 7R 290Difference
Length285in218in▲ 8550+67 in · +31%
Width95.5inNot recorded—
Height139inNot recorded—
Operating Weight27,040lb25,440lb▲ 8550+1,600 lb · +6%

Hydraulics

SpecAllis Chalmers 8550John Deere 7R 290Difference
System TypeClosed CenterClosed-center pressure-flow compensated—
Steering TypeHydrostatic PowerPower steering—

Power Take-off (PTO)

SpecAllis Chalmers 8550John Deere 7R 290Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Tires

SpecAllis Chalmers 8550John Deere 7R 290Difference
Front Tire SizeNot recorded420/85R34—
Rear Tire SizeNot recorded480/80R50—

Hitch & Towing

SpecAllis Chalmers 8550John Deere 7R 290Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIV/IIIIII/IIIN—

Chassis & Drive

SpecAllis Chalmers 8550John Deere 7R 290Difference
Chassis Type4x4 Articulated 4WD4x4 MFWD 4WD—
Drive Type4WDFront wheel assist with duals—
Steering TypeHydrostatic PowerPower steering—
Brake TypeHydraulic Wet DiscsNot recorded—

Electrical

SpecAllis Chalmers 8550John Deere 7R 290Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 8550John Deere 7R 290Difference
Coolant18galNot recorded—

Operator Station

SpecAllis Chalmers 8550John Deere 7R 290Difference
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 · 96th percentile (284 hp)

Engine Displacement

median 183 ci
A · 96th percentile (731 ci)B · 94th percentile (548 ci)

Cylinders

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

Operating Weight

median 5,303 lb
A · 96th percentile (27,040 lb)B · 96th percentile (25,440 lb)

Length

median 137 in
A · 99th percentile (285 in)B · 95th percentile (218 in)
A · 8550B · 7R 290Median Utility Tractor
Full spec pageAllis Chalmers 8550Full spec pageJohn Deere 7R 290