Image not recorded
International HarvesterModel A
International Harvester TD-18A
Standard Tread
- power
- Not recorded
- displacement
- 691 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Standard Tread
International Harvester TD-18A vs Lanz Bulldog HR4
Image not recorded
LanzModel B
Lanz Bulldog HR4
Standard Tread
- power
- 28 hp
- displacement
- 629 ci
- Cylinders
- 1
- Forward gears
- 3
International HarvesterInternational Harvester TD-18A
vs
LanzLanz Bulldog HR4
How they compare
Headline specs vs. the whole Standard Tread
Engine Displacement
▲ TD-18A higher · +62 ci (+10%)TD-18A691 ci
Bulldog HR4629 ci
Median Standard Tread Tractor382 ci
TD-18A is in the 84th percentile; Bulldog HR4 is in the 80th · 353 models
Cylinders
▲ TD-18A higher · +5 (+500%)TD-18A6
Bulldog HR41
Median Standard Tread Tractor4
TD-18A is in the 93rd percentile; Bulldog HR4 is in the 7th · 367 models
Forward Gears
▲ TD-18A higher · +3 (+100%)TD-18A6
Bulldog HR43
Median Standard Tread Tractor4
TD-18A is in the 79th percentile; Bulldog HR4 is in the 39th · 341 models
TD-18A (A)Bulldog HR4 (B)Median Standard Tread Tractor
Full comparison
Every spec, side by side
General Information
| Spec | International Harvester TD-18A | Lanz Bulldog HR4 | Difference |
|---|---|---|---|
| Manufacturer | International Harvester | Lanz | — |
| Model | TD-18A | Bulldog HR4 | — |
| Category | Standard Tread | Standard Tread | Same |
Engine
| Spec | International Harvester TD-18A | Lanz Bulldog HR4 | Difference |
|---|---|---|---|
| Manufacturer | International Harvester | Lanz | — |
| Model | D-691 | Not recorded | — |
| Power Output | Not recorded | 28hp | — |
| Rated RPM | 1,350RPM | 500RPM | ▲ TD-18A+850 RPM · +170% |
| Cylinders | 6 | 1 | ▲ TD-18A+5 · +500% |
| Displacement | 691ci | 629ci | ▲ TD-18A+62 ci · +10% |
| Bore | 4.8in | 8.9in | ▲ Bulldog HR4+4.1 in · +85% |
| Stroke | 6.5in | 10.2in | ▲ Bulldog HR4+3.7 in · +57% |
Transmission
| Spec | International Harvester TD-18A | Lanz Bulldog HR4 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
Dimensions & Weight
| Spec | International Harvester TD-18A | Lanz Bulldog HR4 | Difference |
|---|---|---|---|
| Length | 166in | Not recorded | — |
| Width | 95in | Not recorded | — |
| Height | 106in | Not recorded | — |
Hydraulics
| Spec | International Harvester TD-18A | Lanz Bulldog HR4 | Difference |
|---|---|---|---|
| Steering Type | Mechanical clutch | Not recorded | — |
Hitch & Towing
| Spec | International Harvester TD-18A | Lanz Bulldog HR4 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | III | — |
Chassis & Drive
| Spec | International Harvester TD-18A | Lanz Bulldog HR4 | Difference |
|---|---|---|---|
| Chassis Type | Not recorded | 2WD | — |
| Drive Type | Not recorded | 2WD | — |
| Steering Type | Mechanical clutch | Not recorded | — |
Electrical
| Spec | International Harvester TD-18A | Lanz Bulldog HR4 | Difference |
|---|---|---|---|
| Battery Voltage | 12V | Not recorded | — |
| Starter Type | Gasoline-start | Not recorded | — |
Capacities
| Spec | International Harvester TD-18A | Lanz Bulldog HR4 | Difference |
|---|---|---|---|
| Coolant | 26gal | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 382 ciA · 84th percentile (691 ci)B · 80th percentile (629 ci)
Cylinders
median 4A · 93rd percentile (6)B · 7th percentile (1)
Forward Gears
median 4A · 79th percentile (6)B · 39th percentile (3)
A · TD-18AB · Bulldog HR4Median Standard Tread Tractor