Head to head · Utility

Advance-Rumely 6A vs Allis Chalmers HD20

Image not recorded
Advance-RumelyModel A

Advance-Rumely 6A

Utility

power
Not recorded
displacement
404 ci
Cylinders
6
Forward gears
6
Full 6A specs
Allis Chalmers HD20 Tractor
Allis ChalmersModel B

Allis Chalmers HD20

Industrial

power
Not recorded
displacement
660 ci
Cylinders
6
Forward gears
2
Full HD20 specs
Advance-RumelyAdvance-Rumely 6A
vs
Allis ChalmersAllis Chalmers HD20

How they compare

Headline specs vs. the whole Utility

n = 4,321–5,720

Engine Displacement

▲ HD20 higher · +256 ci (+63%)
6A404 ci
HD20660 ci
Median Utility Tractor183 ci

6A is in the 90th percentile; HD20 is in the 96th · 5,580 models

Cylinders

= Effectively tied
6A6
HD206
Median Utility Tractor4

6A is in the 93rd percentile; HD20 is in the 93rd · 5,720 models

Forward Gears

▲ 6A higher · +4 (+200%)
6A6
HD202
Median Utility Tractor12

6A is in the 11th percentile; HD20 is in the 1st · 4,941 models

Operating Weight

▲ HD20 higher · +34,630 lb (+544%)
6A6,370 lb
HD2041,000 lb
Median Utility Tractor5,303 lb

6A is in the 60th percentile; HD20 is in the 99th · 5,107 models

6A (A)HD20 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAdvance-Rumely 6AAllis Chalmers HD20Difference
ManufacturerAdvance-RumelyAllis Chalmers—
Model6AHD20—
CategoryUtility, Standard TreadIndustrial—

Engine

SpecAdvance-Rumely 6AAllis Chalmers HD20Difference
ManufacturerWaukeshaGeneral Motors—
Rated RPM1,365RPM1,700RPM▲ HD20+335 RPM · +25%
Cylinders66Same
Displacement404ci660ci▲ HD20+256 ci · +63%
Bore4.3in5in▲ HD20+0.7 in · +16%
Stroke4.8in5.6in▲ HD20+0.8 in · +17%

Transmission

SpecAdvance-Rumely 6AAllis Chalmers HD20Difference
TypeGearTorque converter—

Dimensions & Weight

SpecAdvance-Rumely 6AAllis Chalmers HD20Difference
Length163in191in▲ HD20+28 in · +17%
Width70inNot recorded—
Height74in95in▲ HD20+21 in · +28%
Operating Weight6,370lb41,000lb▲ HD20+34,630 lb · +544%

Hydraulics

SpecAdvance-Rumely 6AAllis Chalmers HD20Difference
Steering TypeManualNot recorded—

Chassis & Drive

SpecAdvance-Rumely 6AAllis Chalmers HD20Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypeManualNot recorded—

Electrical

SpecAdvance-Rumely 6AAllis Chalmers HD20Difference
Starter TypeNot recorded24 volts—

Capacities

SpecAdvance-Rumely 6AAllis Chalmers HD20Difference
Coolant9.5gal15gal▲ HD20+5.5 gal · +58%

Category context

Both models against the field

Engine Displacement

median 183 ci
A · 90th percentile (404 ci)B · 96th percentile (660 ci)

Cylinders

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

Forward Gears

median 12
A · 11th percentile (6)B · 1st percentile (2)

Operating Weight

median 5,303 lb
A · 60th percentile (6,370 lb)B · 99th percentile (41,000 lb)

Length

median 137 in
A · 81st percentile (163 in)B · 93rd percentile (191 in)
A · 6AB · HD20Median Utility Tractor
Full spec pageAdvance-Rumely 6AFull spec pageAllis Chalmers HD20