Head to head · Industrial

Allis Chalmers HD11AG Series B vs JCB Fastrac 125

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Allis ChalmersModel A

Allis Chalmers HD11AG Series B

Industrial

power
127 hp
displacement
516 ci
Cylinders
6
Forward gears
6
Full HD11AG Series B specs
Image not recorded
JCBModel B

JCB Fastrac 125

Utility

power
125 hp
displacement
365 ci
Cylinders
6
Forward gears
18
Full Fastrac 125 specs
Allis ChalmersAllis Chalmers HD11AG Series B
vs
JCBJCB Fastrac 125

How they compare

Headline specs vs. the whole Industrial

n = 38–55

Engine Displacement

▲ HD11AG Series B higher · +151 ci (+41%)
HD11AG Series B516 ci
Fastrac 125365 ci
Median Industrial Tractor284 ci

HD11AG Series B is in the 70th percentile; Fastrac 125 is in the 55th · 53 models

Cylinders

= Effectively tied
HD11AG Series B6
Fastrac 1256
Median Industrial Tractor4

HD11AG Series B is in the 88th percentile; Fastrac 125 is in the 88th · 55 models

Forward Gears

▲ Fastrac 125 higher · +12 (+200%)
HD11AG Series B6
Fastrac 12518
Median Industrial Tractor5

HD11AG Series B is in the 65th percentile; Fastrac 125 is in the 97th · 43 models

Operating Weight

▲ HD11AG Series B higher · +10,626 lb (+74%)
HD11AG Series B25,000 lb
Fastrac 12514,374 lb
Median Industrial Tractor9,127 lb

HD11AG Series B is in the 87th percentile; Fastrac 125 is in the 60th · 49 models

HD11AG Series B (A)Fastrac 125 (B)Median Industrial Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers HD11AG Series BJCB Fastrac 125Difference
ManufacturerAllis ChalmersJCB—
ModelHD11AG Series BFastrac 125—
CategoryIndustrialUtility—

Engine

SpecAllis Chalmers HD11AG Series BJCB Fastrac 125Difference
ManufacturerAllis ChalmersPerkins—
Model110001000—
Power Output127hp125hp▲ HD11AG Series B+2 hp · +2%
Rated RPM1,800RPM2,400RPM▲ Fastrac 125+600 RPM · +33%
Cylinders66Same
Displacement516ci365ci▲ HD11AG Series B+151 ci · +41%
Bore4.4in3.9in▲ HD11AG Series B+0.5 in · +13%
Stroke5.6in5in▲ HD11AG Series B+0.6 in · +12%

Transmission

SpecAllis Chalmers HD11AG Series BJCB Fastrac 125Difference
TypeGearSynchromesh—

Dimensions & Weight

SpecAllis Chalmers HD11AG Series BJCB Fastrac 125Difference
Length125in227in▲ Fastrac 125+102 in · +82%
Width96inNot recorded—
Height84in115in▲ Fastrac 125+31 in · +37%
Operating Weight25,000lb14,374lb▲ HD11AG Series B+10,626 lb · +74%

Hydraulics

SpecAllis Chalmers HD11AG Series BJCB Fastrac 125Difference
Steering TypeNot recordedHydraulic power—

Power Take-off (PTO)

SpecAllis Chalmers HD11AG Series BJCB Fastrac 125Difference
Speed 1Not recorded540rpm—
Speed 2Not recorded1,000rpm—

Hitch & Towing

SpecAllis Chalmers HD11AG Series BJCB Fastrac 125Difference
Hitch TypeNot recordedThree-Point Hitch—
Hitch CategoryNot recordedCategory 3—
Hitch PositionNot recordedRear—
Hitch CapacityNot recorded15,435lb—

Chassis & Drive

SpecAllis Chalmers HD11AG Series BJCB Fastrac 125Difference
Chassis TypeTracked4x4 4WD—
Drive TypeTrack4WD—
Steering TypeNot recordedHydraulic power—
Brake TypeNot recordedPneumatic dry disc—

Electrical

SpecAllis Chalmers HD11AG Series BJCB Fastrac 125Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers HD11AG Series BJCB Fastrac 125Difference
Coolant11galNot recorded—

Operator Station

SpecAllis Chalmers HD11AG Series BJCB Fastrac 125Difference
TypeNot recordedCab—

Category context

Both models against the field

Engine Displacement

median 284 ci
A · 70th percentile (516 ci)B · 55th percentile (365 ci)

Cylinders

median 4
A · 88th percentile (6)B · 88th percentile (6)

Forward Gears

median 5
A · 65th percentile (6)B · 97th percentile (18)

Operating Weight

median 9,127 lb
A · 87th percentile (25,000 lb)B · 60th percentile (14,374 lb)

Length

median 125 in
A · 50th percentile (125 in)B · 95th percentile (227 in)
A · HD11AG Series BB · Fastrac 125Median Industrial Tractor
Full spec pageAllis Chalmers HD11AG Series BFull spec pageJCB Fastrac 125