Head to head · Row Crop

Allis Chalmers 8070 vs JCB Fastrac 3170

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
Allis ChalmersAllis Chalmers 8070
vs
JCBJCB Fastrac 3170

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ Fastrac 3170 higher · +3 hp (+2%)
8070170 hp
Fastrac 3170173 hp
Median Row Crop Tractor138 hp

8070 is in the 67th percentile; Fastrac 3170 is in the 68th · 1,206 models

Engine Displacement

▲ 8070 higher · +67 ci (+19%)
8070426 ci
Fastrac 3170359 ci
Median Row Crop Tractor391 ci

8070 is in the 72nd percentile; Fastrac 3170 is in the 41st · 1,409 models

Cylinders

= Effectively tied
80706
Fastrac 31706
Median Row Crop Tractor6

8070 is in the 50th percentile; Fastrac 3170 is in the 50th · 1,417 models

Forward Gears

▲ Fastrac 3170 higher · +34 (+170%)
807020
Fastrac 317054
Median Row Crop Tractor16

8070 is in the 70th percentile; Fastrac 3170 is in the 99th · 1,200 models

8070 (A)Fastrac 3170 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 8070JCB Fastrac 3170Difference
ManufacturerAllis ChalmersJCB—
Model8070Fastrac 3170—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers 8070JCB Fastrac 3170Difference
ManufacturerAllis ChalmersCummins—
Model670I6BTAA—
Power Output170hp173hp▲ Fastrac 3170+3 hp · +2%
Rated RPM2,400RPM2,200RPM▲ 8070+200 RPM · +9%
Cylinders66Same
Displacement426ci359ci▲ 8070+67 ci · +19%
Bore4.3in4in▲ 8070+0.3 in · +7%
Stroke5in4.7in▲ 8070+0.3 in · +6%

Transmission

SpecAllis Chalmers 8070JCB Fastrac 3170Difference
TypePartial Power ShiftSynchromesh—

Dimensions & Weight

SpecAllis Chalmers 8070JCB Fastrac 3170Difference
Length187in205in▲ Fastrac 3170+18 in · +10%
Width95.5in99.6in▲ Fastrac 3170+4.1 in · +4%
Height116in124in▲ Fastrac 3170+8 in · +7%
Operating Weight16,850lb17,570lb▲ Fastrac 3170+720 lb · +4%

Hydraulics

SpecAllis Chalmers 8070JCB Fastrac 3170Difference
System TypeClosed-center load-sensitiveNot recorded—
Steering TypeHydrostatic PowerPower assist—

Power Take-off (PTO)

SpecAllis Chalmers 8070JCB Fastrac 3170Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers 8070JCB Fastrac 3170Difference
Hitch TypeThree-Point HitchThree-Point HitchSame
Hitch CategoryIII/IIIII—
Hitch PositionRearRearSame
Hitch Capacity8,200lbNot recorded—

Chassis & Drive

SpecAllis Chalmers 8070JCB Fastrac 3170Difference
Chassis Type4x2 2WD4x4 4WD—
Drive Type2WDFour-wheel Drive (4WD)—
Steering TypeHydrostatic PowerPower assist—
Brake TypeDifferential hydraulic wet discsNot recorded—

Electrical

SpecAllis Chalmers 8070JCB Fastrac 3170Difference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers 8070JCB Fastrac 3170Difference
Coolant9galNot recorded—

Operator Station

SpecAllis Chalmers 8070JCB Fastrac 3170Difference
TypeCabNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 67th percentile (170 hp)B · 68th percentile (173 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 41st percentile (359 ci)

Cylinders

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

Forward Gears

median 16
A · 70th percentile (20)B · 99th percentile (54)

Operating Weight

median 12,307 lb
A · 73rd percentile (16,850 lb)B · 75th percentile (17,570 lb)
A · 8070B · Fastrac 3170Median Row Crop Tractor
Full spec pageAllis Chalmers 8070Full spec pageJCB Fastrac 3170