CaterpillarModel A
Caterpillar D4
Industrial
- power
- Not recorded
- displacement
- 312 ci
- Cylinders
- 4
- Forward gears
- 5
Head to head · Industrial
Caterpillar D4 vs Caterpillar RD7
Image not recorded
CaterpillarModel B
Caterpillar RD7
Industrial
- power
- Not recorded
- displacement
- 831 ci
- Cylinders
- 4
- Forward gears
- 4
CaterpillarCaterpillar D4
vs
CaterpillarCaterpillar RD7
How they compare
Headline specs vs. the whole Industrial
Engine Displacement
▲ RD7 higher · +519 ci (+166%)D4312 ci
RD7831 ci
Median Industrial Tractor284 ci
D4 is in the 51st percentile; RD7 is in the 84th · 53 models
Cylinders
= Effectively tiedD44
RD74
Median Industrial Tractor4
D4 is in the 50th percentile; RD7 is in the 50th · 55 models
Forward Gears
▲ D4 higher · +1 (+25%)D45
RD74
Median Industrial Tractor5
D4 is in the 50th percentile; RD7 is in the 30th · 43 models
Operating Weight
▲ RD7 higher · +11,050 lb (+111%)D49,970 lb
RD721,020 lb
Median Industrial Tractor9,127 lb
D4 is in the 54th percentile; RD7 is in the 77th · 49 models
D4 (A)RD7 (B)Median Industrial Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Caterpillar D4 | Caterpillar RD7 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | D4 | RD7 | — |
| Category | Industrial | Industrial | Same |
Engine
| Spec | Caterpillar D4 | Caterpillar RD7 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | D4400 | Not recorded | — |
| Rated RPM | 1,400RPM | 1,000RPM | ▲ D4+400 RPM · +40% |
| Cylinders | 4 | 4 | Same |
| Displacement | 312ci | 831ci | ▲ RD7+519 ci · +166% |
| Bore | 4.3in | 5.8in | ▲ RD7+1.5 in · +35% |
| Stroke | 5.5in | 8in | ▲ RD7+2.5 in · +45% |
Transmission
| Spec | Caterpillar D4 | Caterpillar RD7 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
Dimensions & Weight
| Spec | Caterpillar D4 | Caterpillar RD7 | Difference |
|---|---|---|---|
| Length | 121in | Not recorded | — |
| Width | 62in | Not recorded | — |
| Height | 60.6in | Not recorded | — |
| Operating Weight | 9,970lb | 21,020lb | ▲ RD7+11,050 lb · +111% |
Hydraulics
| Spec | Caterpillar D4 | Caterpillar RD7 | Difference |
|---|---|---|---|
| Steering Type | Manual Clutches | Not recorded | — |
Chassis & Drive
| Spec | Caterpillar D4 | Caterpillar RD7 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Manual Clutches | Not recorded | — |
Capacities
| Spec | Caterpillar D4 | Caterpillar RD7 | Difference |
|---|---|---|---|
| Coolant | 11gal | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 284 ciA · 51st percentile (312 ci)B · 84th percentile (831 ci)
Cylinders
median 4A · 50th percentile (4)B · 50th percentile (4)
Forward Gears
median 5A · 50th percentile (5)B · 30th percentile (4)
Operating Weight
median 9,127 lbA · 54th percentile (9,970 lb)B · 77th percentile (21,020 lb)
A · D4B · RD7Median Industrial Tractor