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CaterpillarModel A
Caterpillar D3B SA Special Application
Crawler
- power
- Not recorded
- displacement
- 318 ci
- Cylinders
- 4
- Forward gears
- 5
Head to head · Crawler
Caterpillar D3B SA Special Application vs Caterpillar D7D
CaterpillarModel B
Caterpillar D7D
Crawler
- power
- Not recorded
- displacement
- 831 ci
- Cylinders
- 4
- Forward gears
- 5
CaterpillarCaterpillar D3B SA Special Application
vs
CaterpillarCaterpillar D7D
How they compare
Headline specs vs. the whole Crawler
Engine Displacement
▲ D7D higher · +513 ci (+161%)D3B SA Special Application318 ci
D7D831 ci
Median Crawler Tractor468 ci
D3B SA Special Application is in the 42nd percentile; D7D is in the 88th · 191 models
Cylinders
= Effectively tiedD3B SA Special Application4
D7D4
Median Crawler Tractor6
D3B SA Special Application is in the 33rd percentile; D7D is in the 33rd · 192 models
Forward Gears
= Effectively tiedD3B SA Special Application5
D7D5
Median Crawler Tractor10
D3B SA Special Application is in the 25th percentile; D7D is in the 25th · 179 models
Operating Weight
▲ D7D higher · +10,484 lb (+76%)D3B SA Special Application13,846 lb
D7D24,330 lb
Median Crawler Tractor23,320 lb
D3B SA Special Application is in the 42nd percentile; D7D is in the 52nd · 173 models
D3B SA Special Application (A)D7D (B)Median Crawler Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Caterpillar D3B SA Special Application | Caterpillar D7D | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | D3B SA Special Application | D7D | — |
| Category | Crawler, Agricultural | Crawler | — |
Engine
| Spec | Caterpillar D3B SA Special Application | Caterpillar D7D | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | 3204 | Not recorded | — |
| Rated RPM | 2,400RPM | 1,200RPM | ▲ D3B SA Special Application+1,200 RPM · +100% |
| Cylinders | 4 | 4 | Same |
| Displacement | 318ci | 831ci | ▲ D7D+513 ci · +161% |
| Bore | 4.5in | 5.8in | ▲ D7D+1.3 in · +29% |
| Stroke | 5in | 8in | ▲ D7D+3 in · +60% |
Transmission
| Spec | Caterpillar D3B SA Special Application | Caterpillar D7D | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
Dimensions & Weight
| Spec | Caterpillar D3B SA Special Application | Caterpillar D7D | Difference |
|---|---|---|---|
| Length | 146in | 162in | ▲ D7D+16 in · +11% |
| Width | 60in | 97in | ▲ D7D+37 in · +62% |
| Height | 107in | 80in | ▲ D3B SA Special Application+27 in · +34% |
| Operating Weight | 13,846lb | 24,330lb | ▲ D7D+10,484 lb · +76% |
Hydraulics
| Spec | Caterpillar D3B SA Special Application | Caterpillar D7D | Difference |
|---|---|---|---|
| System Type | Open Center | Not recorded | — |
| Steering Type | Not recorded | Manual clutches | — |
Chassis & Drive
| Spec | Caterpillar D3B SA Special Application | Caterpillar D7D | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Not recorded | — |
| Steering Type | Not recorded | Manual clutches | — |
Electrical
| Spec | Caterpillar D3B SA Special Application | Caterpillar D7D | Difference |
|---|---|---|---|
| Starter Type | Electric | 2-cylinder pony engine | — |
Capacities
| Spec | Caterpillar D3B SA Special Application | Caterpillar D7D | Difference |
|---|---|---|---|
| Coolant | 6.8gal | Not recorded | — |
Operator Station
| Spec | Caterpillar D3B SA Special Application | Caterpillar D7D | Difference |
|---|---|---|---|
| Type | ROPS | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 468 ciA · 42nd percentile (318 ci)B · 88th percentile (831 ci)
Cylinders
median 6A · 33rd percentile (4)B · 33rd percentile (4)
Forward Gears
median 10A · 25th percentile (5)B · 25th percentile (5)
Operating Weight
median 23,320 lbA · 42nd percentile (13,846 lb)B · 52nd percentile (24,330 lb)
Length
median 146 inA · 50th percentile (146 in)B · 56th percentile (162 in)
A · D3B SA Special ApplicationB · D7DMedian Crawler Tractor