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CaterpillarModel A
Caterpillar 420D
Specialized
- power
- 88.5 hp
- displacement
- 268 ci
- Cylinders
- 4
- Forward gears
- 4
Head to head · Specialized
Caterpillar 420D vs Caterpillar D8
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CaterpillarModel B
Caterpillar D8
Tractor
- power
- 115 hp
- displacement
- 1,246 ci
- Cylinders
- 6
- Forward gears
- 6
CaterpillarCaterpillar 420D
vs
CaterpillarCaterpillar D8
How they compare
Headline specs vs. the whole Specialized
Engine Power
▲ D8 higher · +26.5 hp (+30%)420D88.5 hp
D8115 hp
Median Specialized Tractor62 hp
420D is in the 85th percentile; D8 is in the 98th · 55 models
Engine Displacement
▲ D8 higher · +978 ci (+365%)420D268 ci
D81,246 ci
Median Specialized Tractor239 ci
420D is in the 62nd percentile; D8 is in the 99th · 56 models
Cylinders
▲ D8 higher · +2 (+50%)420D4
D86
Median Specialized Tractor4
420D is in the 50th percentile; D8 is in the 99th · 58 models
Forward Gears
▲ D8 higher · +2 (+50%)420D4
D86
Median Specialized Tractor4
420D is in the 50th percentile; D8 is in the 77th · 43 models
420D (A)D8 (B)Median Specialized Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Caterpillar 420D | Caterpillar D8 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | 420D | D8 | — |
| Category | Specialized, Backhoe Loader | Not recorded | — |
Engine
| Spec | Caterpillar 420D | Caterpillar D8 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | Cat 3054 | D13000 | — |
| Power Output | 88.5hp | 115hp | ▲ D8+26.5 hp · +30% |
| Rated RPM | 2,200RPM | 850RPM | ▲ 420D+1,350 RPM · +159% |
| Cylinders | 4 | 6 | ▲ D8+2 · +50% |
| Displacement | 268ci | 1,246ci | ▲ D8+978 ci · +365% |
| Bore | 4.1in | 5.8in | ▲ D8+1.7 in · +41% |
| Stroke | 5in | 8in | ▲ D8+3 in · +60% |
Transmission
| Spec | Caterpillar 420D | Caterpillar D8 | Difference |
|---|---|---|---|
| Type | Power Shuttle | gear | — |
Dimensions & Weight
| Spec | Caterpillar 420D | Caterpillar D8 | Difference |
|---|---|---|---|
| Length | 274in | 186in | ▲ 420D+88 in · +47% |
| Width | 92.5in | 101in | ▲ D8+8.5 in · +9% |
| Height | 109in | 84in | ▲ 420D+25 in · +30% |
| Operating Weight | 15,763lb | 36,520lb | ▲ D8+20,757 lb · +132% |
Hydraulics
| Spec | Caterpillar 420D | Caterpillar D8 | Difference |
|---|---|---|---|
| System Type | Closed center | Not recorded | — |
| Steering Type | Hydrostatic power | Not recorded | — |
Chassis & Drive
| Spec | Caterpillar 420D | Caterpillar D8 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Hydrostatic power | Not recorded | — |
| Brake Type | Wet disc | Not recorded | — |
Electrical
| Spec | Caterpillar 420D | Caterpillar D8 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Operator Station
| Spec | Caterpillar 420D | Caterpillar D8 | Difference |
|---|---|---|---|
| Type | Four-post ROPS/FOPS | Not recorded | — |
Category context
Both models against the field
Engine Power
median 62 hpA · 85th percentile (88.5 hp)B · 98th percentile (115 hp)
Engine Displacement
median 239 ciA · 62nd percentile (268 ci)B · 99th percentile (1,246 ci)
Cylinders
median 4A · 50th percentile (4)B · 99th percentile (6)
Forward Gears
median 4A · 50th percentile (4)B · 77th percentile (6)
Operating Weight
median 12,600 lbA · 87th percentile (15,763 lb)B · 99th percentile (36,520 lb)
A · 420DB · D8Median Specialized Tractor