CaterpillarModel A
Caterpillar D7D
Crawler
- power
- Not recorded
- displacement
- 831 ci
- Cylinders
- 4
- Forward gears
- 5
Head to head · Crawler
Caterpillar D7D vs International Harvester TD-18
Image not recorded
International HarvesterModel B
International Harvester TD-18
Standard Tread
- power
- Not recorded
- displacement
- 691 ci
- Cylinders
- 6
- Forward gears
- 6
CaterpillarCaterpillar D7D
vs
International HarvesterInternational Harvester TD-18
How they compare
Headline specs vs. the whole Crawler
Engine Displacement
▲ D7D higher · +140 ci (+20%)D7D831 ci
TD-18691 ci
Median Crawler Tractor468 ci
D7D is in the 88th percentile; TD-18 is in the 73rd · 191 models
Cylinders
▲ TD-18 higher · +2 (+50%)D7D4
TD-186
Median Crawler Tractor6
D7D is in the 33rd percentile; TD-18 is in the 50th · 192 models
Forward Gears
▲ TD-18 higher · +1 (+20%)D7D5
TD-186
Median Crawler Tractor10
D7D is in the 25th percentile; TD-18 is in the 34th · 179 models
Operating Weight
▲ D7D higher · +2,830 lb (+13%)D7D24,330 lb
TD-1821,500 lb
Median Crawler Tractor23,320 lb
D7D is in the 52nd percentile; TD-18 is in the 48th · 173 models
D7D (A)TD-18 (B)Median Crawler Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Caterpillar D7D | International Harvester TD-18 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | International Harvester | — |
| Model | D7D | TD-18 | — |
| Category | Crawler | Standard Tread | — |
Engine
| Spec | Caterpillar D7D | International Harvester TD-18 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | International Harvester | — |
| Rated RPM | 1,200RPM | 1,200RPM | Same |
| Cylinders | 4 | 6 | ▲ TD-18+2 · +50% |
| Displacement | 831ci | 691ci | ▲ D7D+140 ci · +20% |
| Bore | 5.8in | 4.8in | ▲ D7D+1 in · +21% |
| Stroke | 8in | 6.5in | ▲ D7D+1.5 in · +23% |
Transmission
| Spec | Caterpillar D7D | International Harvester TD-18 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
Dimensions & Weight
| Spec | Caterpillar D7D | International Harvester TD-18 | Difference |
|---|---|---|---|
| Length | 162in | 166in | ▲ TD-18+4 in · +2% |
| Width | 97in | 95in | ▲ D7D+2 in · +2% |
| Height | 80in | 106in | ▲ TD-18+26 in · +33% |
| Operating Weight | 24,330lb | 21,500lb | ▲ D7D+2,830 lb · +13% |
Hydraulics
| Spec | Caterpillar D7D | International Harvester TD-18 | Difference |
|---|---|---|---|
| Steering Type | Manual clutches | Not recorded | — |
Hitch & Towing
| Spec | Caterpillar D7D | International Harvester TD-18 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | Category 3 | — |
Chassis & Drive
| Spec | Caterpillar D7D | International Harvester TD-18 | Difference |
|---|---|---|---|
| Steering Type | Manual clutches | Not recorded | — |
Electrical
| Spec | Caterpillar D7D | International Harvester TD-18 | Difference |
|---|---|---|---|
| Starter Type | 2-cylinder pony engine | Electric Starter (gasoline start) | — |
Capacities
| Spec | Caterpillar D7D | International Harvester TD-18 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 26gal | — |
Category context
Both models against the field
Engine Displacement
median 468 ciA · 88th percentile (831 ci)B · 73rd percentile (691 ci)
Cylinders
median 6A · 33rd percentile (4)B · 50th percentile (6)
Forward Gears
median 10A · 25th percentile (5)B · 34th percentile (6)
Operating Weight
median 23,320 lbA · 52nd percentile (24,330 lb)B · 48th percentile (21,500 lb)
Length
median 146 inA · 56th percentile (162 in)B · 58th percentile (166 in)
A · D7DB · TD-18Median Crawler Tractor