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International HarvesterModel A
International Harvester D-439
Sub-Compact
- power
- 39 hp
- displacement
- 149 ci
- Cylinders
- 4
- Forward gears
- Not recorded
Head to head · Sub-Compact
International Harvester D-439 vs Zetor 3511
ZetorModel B
Zetor 3511
Sub-Compact
- power
- 39 hp
- displacement
- 143 ci
- Cylinders
- 3
- Forward gears
- 10
International HarvesterInternational Harvester D-439
vs
ZetorZetor 3511
How they compare
Headline specs vs. the whole Sub-Compact
Engine Power
= Effectively tiedD-43939 hp
351139 hp
Median Sub-Compact Tractor26.9 hp
D-439 is in the 73rd percentile; 3511 is in the 73rd · 816 models
Engine Displacement
▲ D-439 higher · +6 ci (+4%)D-439149 ci
3511143 ci
Median Sub-Compact Tractor91.4 ci
D-439 is in the 83rd percentile; 3511 is in the 80th · 757 models
Cylinders
▲ D-439 higher · +1 (+33%)D-4394
35113
Median Sub-Compact Tractor3
D-439 is in the 90th percentile; 3511 is in the 50th · 802 models
Operating Weight
▲ D-439 higher · +143 lb (+4%)D-4393,494 lb
35113,351 lb
Median Sub-Compact Tractor2,700 lb
D-439 is in the 66th percentile; 3511 is in the 63rd · 711 models
D-439 (A)3511 (B)Median Sub-Compact Tractor
Full comparison
Every spec, side by side
General Information
| Spec | International Harvester D-439 | Zetor 3511 | Difference |
|---|---|---|---|
| Manufacturer | International Harvester | Zetor | — |
| Model | D-439 | 3511 | — |
| Category | Sub-Compact | Sub-Compact | Same |
Engine
| Spec | International Harvester D-439 | Zetor 3511 | Difference |
|---|---|---|---|
| Manufacturer | International Harvester | Zetor | — |
| Model | DD-148 | Z3001 | — |
| Power Output | 39hp | 39hp | Same |
| Rated RPM | 1,900RPM | 2,000RPM | ▲ 3511+100 RPM · +5% |
| Cylinders | 4 | 3 | ▲ D-439+1 · +33% |
| Displacement | 149ci | 143ci | ▲ D-439+6 ci · +4% |
| Bore | 3.4in | 3.7in | ▲ 3511+0.3 in · +9% |
| Stroke | 4in | 4.3in | ▲ 3511+0.3 in · +7% |
Transmission
| Spec | International Harvester D-439 | Zetor 3511 | Difference |
|---|---|---|---|
| Type | Agriomatic | Gear | — |
Dimensions & Weight
| Spec | International Harvester D-439 | Zetor 3511 | Difference |
|---|---|---|---|
| Length | 115in | Not recorded | — |
| Width | 64.6in | Not recorded | — |
| Height | 61.5in | Not recorded | — |
| Operating Weight | 3,494lb | 3,351lb | ▲ D-439+143 lb · +4% |
Hydraulics
| Spec | International Harvester D-439 | Zetor 3511 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
Tires
| Spec | International Harvester D-439 | Zetor 3511 | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 6.00-16 | — |
| Rear Tire Size | Not recorded | 12.4-28 | — |
Hitch & Towing
| Spec | International Harvester D-439 | Zetor 3511 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Category II | — |
| Hitch Category | II/I | Category 2 | — |
| Hitch Position | Not recorded | Rear | — |
Chassis & Drive
| Spec | International Harvester D-439 | Zetor 3511 | Difference |
|---|---|---|---|
| Chassis Type | Not recorded | 4x2 2WD | — |
| Drive Type | Not recorded | 2WD | — |
| Steering Type | Not recorded | Manual | — |
Electrical
| Spec | International Harvester D-439 | Zetor 3511 | Difference |
|---|---|---|---|
| Battery Voltage | 12V | Not recorded | — |
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | International Harvester D-439 | Zetor 3511 | Difference |
|---|---|---|---|
| Coolant | 3.7gal | Not recorded | — |
Category context
Both models against the field
Engine Power
median 26.9 hpA · 73rd percentile (39 hp)B · 73rd percentile (39 hp)
Engine Displacement
median 91.4 ciA · 83rd percentile (149 ci)B · 80th percentile (143 ci)
Cylinders
median 3A · 90th percentile (4)B · 50th percentile (3)
Operating Weight
median 2,700 lbA · 66th percentile (3,494 lb)B · 63rd percentile (3,351 lb)
A · D-439B · 3511Median Sub-Compact Tractor