Huber 21-39 Super Four
The Huber 21-39 Super Four is a utility tractor built for standard tread applications. It's a 2WD model with a manual steering system and a gear transmission that offers 2 forward gears and 1 reverse gear. This tractor is powered by a Stearns 4-cylinder gasoline engine that's liquid-cooled. The engine is very large for its class, with a displacement of 461 cubic inches. This Huber tractor is quite heavy, weighing in at 8,450 pounds. It's a big machine, measuring 158 inches long, 76 inches wide, and 62 inches high at the hood. The tractor runs on steel wheels, with 5-inch wide front tires and 14-inch wide rear tires. It has a large coolant capacity of 40 quarts, which helps keep the engine running smoothly. The engine operates at a low 1000 RPM, which is unusual compared to most tractors. Overall, the Huber 21-39 Super Four is a sturdy, powerful utility tractor designed for farmers who need a reliable workhorse. Its large engine and heavy build make it suitable for tough jobs, while its simple transmission and steering systems keep it easy to operate. This tractor represents Huber's commitment to building strong, practical farm equipment.
Quick specs
- Category
- Utility
- Operating Weight
- 8,450 lb
- Transmission
- Gear
Overview
About the Huber 21-39 Super Four
The Huber 21-39 Super Four is a utility tractor built for standard tread applications. It's a 2WD model with a manual steering system and a gear transmission that offers 2 forward gears and 1 reverse gear. This tractor is powered by a Stearns 4-cylinder gasoline engine that's liquid-cooled. The engine is very large for its class, with a displacement of 461 cubic inches. This Huber tractor is quite heavy, weighing in at 8,450 pounds. It's a big machine, measuring 158 inches long, 76 inches wide, and 62 inches high at the hood. The tractor runs on steel wheels, with 5-inch wide front tires and 14-inch wide rear tires. It has a large coolant capacity of 40 quarts, which helps keep the engine running smoothly. The engine operates at a low 1000 RPM, which is unusual compared to most tractors. Overall, the Huber 21-39 Super Four is a sturdy, powerful utility tractor designed for farmers who need a reliable workhorse. Its large engine and heavy build make it suitable for tough jobs, while its simple transmission and steering systems keep it easy to operate. This tractor represents Huber's commitment to building strong, practical farm equipment.
Full specifications
Every recorded spec
General
| Manufacturer | Huber |
|---|---|
| Model | 21-39 Super Four |
| Category | Utility tractor |
| Type | 4x2 2WD |
| Operating weight | 8,450lb |
Engine
| Make | Stearns |
|---|---|
| Cylinders | 4 |
| Displacement | 461ci |
| Bore | 4.75in |
| Stroke | 6.5in |
Transmission
| Type | Gear |
|---|---|
| Forward gears | 2 |
| Reverse gears | 1 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Manual |
Dimensions
| Length | 158in |
|---|---|
| Width | 76in |
| Height | 62in |
| Operating weight | 8,450lb |
Capacities
| Cooling system | 10gal |
|---|
Head to head
21-39 Super Four vs. Utility median
How the Huber 21-39 Super Four compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Displacement | 461 ci | 183 ci | +152% | 93rd |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 2 | 12 | -83% | 1st |
| Operating Weight | 8,450 lb | 5,303 lb | +59% | 79th |
| Length | 158 in | 137 in | +16% | 75th |
| Width | 76 in | 66 in | +15% | 73rd |
| Height | 62 in | 94.1 in | -34% | 11th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 3,933–5,720 models).
Compare to tractors with similar specs
Commonly compared Huber tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Huber 12-25 Light Four | — | 5,550 lb | — | Compare → |
| Huber 13-22 Farmer | — | — | — | Compare → |
| Huber 15-30 Farmer | — | 7,000 lb | — | Compare → |
| Huber 15-30 Super Four | — | 5,940 lb | — | Compare → |
| Huber 17-19 Farmer | — | — | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Advance-Rumely 6A | — | 6,370 lb | — | Compare → |
| Advance-Rumely DoAll | — | 3,702 lb | — | Compare → |
| Advance-Rumely OilPull B 25/45 | — | 25,000 lb | — | Compare → |
| Advance-Rumely OilPull E 30/60 | — | 26,300 lb | — | Compare → |
| Advance-Rumely OilPull F 15/30 | — | 16,500 lb | — | Compare → |
Explore
Huber siblings
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FAQ
Common questions
What engine configuration does the Huber 21-39 Super Four use?
The Huber 21-39 Super Four is equipped with a 4-cylinder engine displacing 461 ci.
What is the operating weight of the Huber 21-39 Super Four?
In working trim, the Huber 21-39 Super Four comes in at roughly 8,450 lb.
Which transmission does the Huber 21-39 Super Four use?
The Huber 21-39 Super Four is equipped with a Gear transmission with 2 forward gears.
How do I maintain a Huber 21-39 Super Four?
Routine service for the Huber 21-39 Super Four covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.

