Head to head · Row Crop

Allis Chalmers 8070 vs JCB Fastrac 155

Allis Chalmers 8070 Tractor
Allis ChalmersModel A

Allis Chalmers 8070

Row Crop

power
170 hp
displacement
426 ci
Cylinders
6
Forward gears
20
Full 8070 specs
Image not recorded
JCBModel B

JCB Fastrac 155

Utility

power
168 hp
displacement
365 ci
Cylinders
6
Forward gears
36
Full Fastrac 155 specs
Allis ChalmersAllis Chalmers 8070
vs
JCBJCB Fastrac 155

How they compare

Headline specs vs. the whole Row Crop

n = 279–1,417

Engine Power

▲ 8070 higher · +2 hp (+1%)
8070170 hp
Fastrac 155168 hp
Median Row Crop Tractor138 hp

8070 is in the 67th percentile; Fastrac 155 is in the 66th · 1,206 models

Engine Displacement

▲ 8070 higher · +61 ci (+17%)
8070426 ci
Fastrac 155365 ci
Median Row Crop Tractor391 ci

8070 is in the 72nd percentile; Fastrac 155 is in the 44th · 1,409 models

Cylinders

= Effectively tied
80706
Fastrac 1556
Median Row Crop Tractor6

8070 is in the 50th percentile; Fastrac 155 is in the 50th · 1,417 models

Forward Gears

▲ Fastrac 155 higher · +16 (+80%)
807020
Fastrac 15536
Median Row Crop Tractor16

8070 is in the 70th percentile; Fastrac 155 is in the 95th · 1,200 models

8070 (A)Fastrac 155 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 8070JCB Fastrac 155Difference
ManufacturerAllis ChalmersJCB—
Model8070Fastrac 155—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers 8070JCB Fastrac 155Difference
ManufacturerAllis ChalmersPerkins—
Model670I1000-6 T4—
Power Output170hp168hp▲ 8070+2 hp · +1%
Rated RPM2,400RPM2,400RPMSame
Cylinders66Same
Displacement426ci365ci▲ 8070+61 ci · +17%
Bore4.3in3.9in▲ 8070+0.4 in · +10%
Stroke5in5inSame

Transmission

SpecAllis Chalmers 8070JCB Fastrac 155Difference
TypePartial Power ShiftSynchromesh—

Dimensions & Weight

SpecAllis Chalmers 8070JCB Fastrac 155Difference
Length187in227in▲ Fastrac 155+40 in · +21%
Width95.5in97.6in▲ Fastrac 155+2.1 in · +2%
Height116in114in▲ 8070+2 in · +2%
Operating Weight16,850lb14,374lb▲ 8070+2,476 lb · +17%

Hydraulics

SpecAllis Chalmers 8070JCB Fastrac 155Difference
System TypeClosed-center load-sensitiveNot recorded—
Steering TypeHydrostatic PowerPower Assist—

Power Take-off (PTO)

SpecAllis Chalmers 8070JCB Fastrac 155Difference
TypeIndependentIndependentSame
Speed 11,000rpm540rpm▲ 8070+460 rpm · +85%
Speed 2Not recorded1,000rpm—

Hitch & Towing

SpecAllis Chalmers 8070JCB Fastrac 155Difference
Hitch TypeThree-Point HitchRear Three-Point Hitch (III/IIIN)—
Hitch CategoryIII/IICategory 2 and 3—
Hitch PositionRearRearSame
Hitch Capacity8,200lb6,615lb▲ 8070+1,585 lb · +24%

Chassis & Drive

SpecAllis Chalmers 8070JCB Fastrac 155Difference
Chassis Type4x2 2WD4x4—
Drive Type2WD4WD—
Steering TypeHydrostatic PowerPower Assist—
Brake TypeDifferential hydraulic wet discsPneumatic Dry Disc—

Electrical

SpecAllis Chalmers 8070JCB Fastrac 155Difference
Starter TypeElectricElectric Starter—

Capacities

SpecAllis Chalmers 8070JCB Fastrac 155Difference
Coolant9galNot recorded—

Operator Station

SpecAllis Chalmers 8070JCB Fastrac 155Difference
TypeCabCab standard with air conditioning—

Category context

Both models against the field

Engine Power

median 138 hp
A · 67th percentile (170 hp)B · 66th percentile (168 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 44th percentile (365 ci)

Cylinders

median 6
A · 50th percentile (6)B · 50th percentile (6)

Forward Gears

median 16
A · 70th percentile (20)B · 95th percentile (36)

Operating Weight

median 12,307 lb
A · 73rd percentile (16,850 lb)B · 63rd percentile (14,374 lb)
A · 8070B · Fastrac 155Median Row Crop Tractor
Full spec pageAllis Chalmers 8070Full spec pageJCB Fastrac 155