Head to head · Utility

Allis Chalmers 8550 vs John Deere 8770

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 8770

Utility

power
300 hp
displacement
619 ci
Cylinders
6
Forward gears
Not recorded
Full 8770 specs
Allis ChalmersAllis Chalmers 8550
vs
John DeereJohn Deere 8770

How they compare

Headline specs vs. the whole Utility

n = 4,659–5,720

Engine Power

= Effectively tied
8550300 hp
8770300 hp
Median Utility Tractor55 hp

8550 is in the 97th percentile; 8770 is in the 97th · 5,383 models

Engine Displacement

▲ 8550 higher · +112 ci (+18%)
8550731 ci
8770619 ci
Median Utility Tractor183 ci

8550 is in the 96th percentile; 8770 is in the 95th · 5,580 models

Cylinders

= Effectively tied
85506
87706
Median Utility Tractor4

8550 is in the 93rd percentile; 8770 is in the 93rd · 5,720 models

Operating Weight

▲ 8770 higher · +5,920 lb (+22%)
855027,040 lb
877032,960 lb
Median Utility Tractor5,303 lb

8550 is in the 96th percentile; 8770 is in the 98th · 5,107 models

8550 (A)8770 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 8550John Deere 8770Difference
ManufacturerAllis ChalmersJohn Deere—
Model85508770—
CategoryUtilityUtilitySame

Engine

SpecAllis Chalmers 8550John Deere 8770Difference
ManufacturerAllis ChalmersJohn Deere—
Model6120TNot recorded—
Power Output300hp300hpSame
Rated RPM2,500RPM2,100RPM▲ 8550+400 RPM · +19%
Cylinders66Same
Displacement731ci619ci▲ 8550+112 ci · +18%
Bore5.3in5.1in▲ 8550+0.2 in · +4%
Stroke6.3in5in▲ 8550+1.3 in · +26%

Transmission

SpecAllis Chalmers 8550John Deere 8770Difference
TypePartial Power ShiftNot recorded—

Dimensions & Weight

SpecAllis Chalmers 8550John Deere 8770Difference
Length285in269in▲ 8550+16 in · +6%
Width95.5inNot recorded—
Height139inNot recorded—
Operating Weight27,040lb32,960lb▲ 8770+5,920 lb · +22%

Hydraulics

SpecAllis Chalmers 8550John Deere 8770Difference
System TypeClosed CenterClosed center pressure compensated—
Steering TypeHydrostatic PowerHydrostatic powerSame

Power Take-off (PTO)

SpecAllis Chalmers 8550John Deere 8770Difference
TypeIndependentIndependentSame
Speed 11,000rpm1,000rpmSame

Hitch & Towing

SpecAllis Chalmers 8550John Deere 8770Difference
Hitch TypeThree-Point Hitch3-point hitch—
Hitch CategoryIV/IIIIII—
Hitch PositionNot recordedRear—
Hitch CapacityNot recorded14,980lb—

Chassis & Drive

SpecAllis Chalmers 8550John Deere 8770Difference
Chassis Type4x4 Articulated 4WD4x4 articulated 4WDSame
Drive Type4WD4WDSame
Steering TypeHydrostatic PowerHydrostatic powerSame
Brake TypeHydraulic Wet DiscsHydraulic wet discsSame

Electrical

SpecAllis Chalmers 8550John Deere 8770Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 8550John Deere 8770Difference
Coolant18gal14.5gal▲ 8550+3.5 gal · +24%

Operator Station

SpecAllis Chalmers 8550John Deere 8770Difference
TypeAcousta Cab II with heat and air-conditioningSound-Gard cab—

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 (619 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 · 98th percentile (32,960 lb)

Length

median 137 in
A · 99th percentile (285 in)B · 98th percentile (269 in)
A · 8550B · 8770Median Utility Tractor
Full spec pageAllis Chalmers 8550Full spec pageJohn Deere 8770