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LanzModel A
Lanz Bulldog D7521
Standard Tread
- power
- 24.5 hp
- displacement
- 287 ci
- Cylinders
- 1
- Forward gears
- 6
Head to head · Standard Tread
Lanz Bulldog D7521 vs Marshall Field Marshall Series II
MarshallModel B
Marshall Field Marshall Series II
Standard Tread
- power
- 40 hp
- displacement
- 310 ci
- Cylinders
- 1
- Forward gears
- 3
LanzLanz Bulldog D7521
vs
MarshallMarshall Field Marshall Series II
How they compare
Headline specs vs. the whole Standard Tread
Engine Power
▲ Field Marshall Series II higher · +15.5 hp (+63%)Bulldog D752124.5 hp
Field Marshall Series II40 hp
Median Standard Tread Tractor45 hp
Bulldog D7521 is in the 19th percentile; Field Marshall Series II is in the 41st · 121 models
Engine Displacement
▲ Field Marshall Series II higher · +23 ci (+8%)Bulldog D7521287 ci
Field Marshall Series II310 ci
Median Standard Tread Tractor382 ci
Bulldog D7521 is in the 33rd percentile; Field Marshall Series II is in the 36th · 353 models
Cylinders
= Effectively tiedBulldog D75211
Field Marshall Series II1
Median Standard Tread Tractor4
Bulldog D7521 is in the 7th percentile; Field Marshall Series II is in the 7th · 367 models
Forward Gears
▲ Bulldog D7521 higher · +3 (+100%)Bulldog D75216
Field Marshall Series II3
Median Standard Tread Tractor4
Bulldog D7521 is in the 79th percentile; Field Marshall Series II is in the 39th · 341 models
Bulldog D7521 (A)Field Marshall Series II (B)Median Standard Tread Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Lanz Bulldog D7521 | Marshall Field Marshall Series II | Difference |
|---|---|---|---|
| Manufacturer | Lanz | Marshall | — |
| Model | Bulldog D7521 | Field Marshall Series II | — |
| Category | Standard Tread | Standard Tread | Same |
Engine
| Spec | Lanz Bulldog D7521 | Marshall Field Marshall Series II | Difference |
|---|---|---|---|
| Manufacturer | Lanz | Marshall | — |
| Power Output | 24.5hp | 40hp | ▲ Field Marshall Series II+15.5 hp · +63% |
| Rated RPM | 850RPM | 750RPM | ▲ Bulldog D7521+100 RPM · +13% |
| Cylinders | 1 | 1 | Same |
| Displacement | 287ci | 310ci | ▲ Field Marshall Series II+23 ci · +8% |
| Bore | 6.7in | 6.6in | ▲ Bulldog D7521+0.1 in · +2% |
| Stroke | 8.3in | 9in | ▲ Field Marshall Series II+0.7 in · +8% |
Transmission
| Spec | Lanz Bulldog D7521 | Marshall Field Marshall Series II | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
Hydraulics
| Spec | Lanz Bulldog D7521 | Marshall Field Marshall Series II | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
Chassis & Drive
| Spec | Lanz Bulldog D7521 | Marshall Field Marshall Series II | Difference |
|---|---|---|---|
| Chassis Type | 4x2 | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Not recorded | Manual | — |
Electrical
| Spec | Lanz Bulldog D7521 | Marshall Field Marshall Series II | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Starting Cartridge | — |
Category context
Both models against the field
Engine Power
median 45 hpA · 19th percentile (24.5 hp)B · 41st percentile (40 hp)
Engine Displacement
median 382 ciA · 33rd percentile (287 ci)B · 36th percentile (310 ci)
Cylinders
median 4A · 7th percentile (1)B · 7th percentile (1)
Forward Gears
median 4A · 79th percentile (6)B · 39th percentile (3)
A · Bulldog D7521B · Field Marshall Series IIMedian Standard Tread Tractor