Head to head · Industrial

Caterpillar Diesel Forty vs Caterpillar RD8

Caterpillar Diesel Forty Tractor
CaterpillarModel A

Caterpillar Diesel Forty

Industrial

power
Not recorded
displacement
624 ci
Cylinders
3
Forward gears
4
Full Diesel Forty specs
Image not recorded
CaterpillarModel B

Caterpillar RD8

Industrial

power
Not recorded
displacement
1,246 ci
Cylinders
6
Forward gears
6
Full RD8 specs
CaterpillarCaterpillar Diesel Forty
vs
CaterpillarCaterpillar RD8

How they compare

Headline specs vs. the whole Industrial

n = 4355

Engine Displacement

▲ RD8 higher · +622 ci (+100%)
Diesel Forty624 ci
RD81,246 ci
Median Industrial Tractor284 ci

Diesel Forty is in the 75th percentile; RD8 is in the 99th · 53 models

Cylinders

▲ RD8 higher · +3 (+100%)
Diesel Forty3
RD86
Median Industrial Tractor4

Diesel Forty is in the 21st percentile; RD8 is in the 88th · 55 models

Forward Gears

▲ RD8 higher · +2 (+50%)
Diesel Forty4
RD86
Median Industrial Tractor5

Diesel Forty is in the 30th percentile; RD8 is in the 65th · 43 models

Operating Weight

▲ RD8 higher · +17,858 lb (+114%)
Diesel Forty15,642 lb
RD833,500 lb
Median Industrial Tractor9,127 lb

Diesel Forty is in the 62nd percentile; RD8 is in the 95th · 49 models

Diesel Forty (A)RD8 (B)Median Industrial Tractor

Full comparison

Every spec, side by side

General Information

SpecCaterpillar Diesel FortyCaterpillar RD8Difference
ManufacturerCaterpillarCaterpillarSame
ModelDiesel FortyRD8
CategoryIndustrialIndustrialSame

Engine

SpecCaterpillar Diesel FortyCaterpillar RD8Difference
ManufacturerCaterpillarCaterpillarSame
ModelD6600D13000
Rated RPM1,000RPM1,000RPMSame
Cylinders36RD8+3 · +100%
Displacement624ci1,246ciRD8+622 ci · +100%
Bore5.8in5.8inSame
Stroke8in8inSame

Transmission

SpecCaterpillar Diesel FortyCaterpillar RD8Difference
TypeGearGearSame

Dimensions & Weight

SpecCaterpillar Diesel FortyCaterpillar RD8Difference
Width16in20inRD8+4 in · +25%
Operating Weight15,642lb33,500lbRD8+17,858 lb · +114%

Category context

Both models against the field

Engine Displacement

median 284 ci
A · 75th percentile (624 ci)B · 99th percentile (1,246 ci)

Cylinders

median 4
A · 21st percentile (3)B · 88th percentile (6)

Forward Gears

median 5
A · 30th percentile (4)B · 65th percentile (6)

Operating Weight

median 9,127 lb
A · 62nd percentile (15,642 lb)B · 95th percentile (33,500 lb)

Width

median 70.5 in
A · 3rd percentile (16 in)B · 5th percentile (20 in)
A · Diesel FortyB · RD8Median Industrial Tractor
Full spec pageCaterpillar Diesel FortyFull spec pageCaterpillar RD8