Standard TreadPerformance profile
Hart-Parr 40-80
The Hart-Parr 40-80 is a powerful 2WD tractor built for heavy-duty farm work. It features a large 4-cylinder engine that runs on kerosene and is cooled by liquid. This engine is naturally aspirated, meaning it doesn't use a turbocharger. With a displacement of 3309.4 cubic inches and a power output of 110 horsepower, this tractor packs a lot of punch for its time. One of the most striking features of the Hart-Parr 40-80 is its size and weight. Weighing in at 34,000 pounds, it's a very heavy machine. It rides on steel wheels instead of rubber tires, which was common for tractors of its era. The rear wheels are especially large, with a diameter of 98 inches. This tractor uses manual steering and has a Category 3 hitch, making it suitable for use with large implements. Despite its age, the Hart-Parr 40-80 remains an impressive piece of farm machinery, showcasing the engineering prowess of its time.
ManufacturerHart-ParrPower110 hpEngine4-cyl
Image not recorded
Quick specs
- Category
- Standard Tread
- Engine Power Output
- 110hp
- Operating Weight
- 34,000 lb
At a glance
How the 40-80 compares
vs. Standard Tread medianDistribution
Engine Power (hp)
Across all Standard Tread tractors
110 hp · 93rd
This model
12
Median 45 hp
102
This modelStandard Tread tractorsMediann = 121
The 40-80 ranks at the 93rd percentile for engine power among recorded standard tread tractors.
Overview
About the Hart-Parr 40-80
The Hart-Parr 40-80 is a powerful 2WD tractor built for heavy-duty farm work. It features a large 4-cylinder engine that runs on kerosene and is cooled by liquid. This engine is naturally aspirated, meaning it doesn't use a turbocharger. With a displacement of 3309.4 cubic inches and a power output of 110 horsepower, this tractor packs a lot of punch for its time. One of the most striking features of the Hart-Parr 40-80 is its size and weight. Weighing in at 34,000 pounds, it's a very heavy machine. It rides on steel wheels instead of rubber tires, which was common for tractors of its era. The rear wheels are especially large, with a diameter of 98 inches. This tractor uses manual steering and has a Category 3 hitch, making it suitable for use with large implements. Despite its age, the Hart-Parr 40-80 remains an impressive piece of farm machinery, showcasing the engineering prowess of its time.
Full specifications
Every recorded spec
General
| Manufacturer | Hart-Parr |
|---|---|
| Model | 40-80 |
| Category | Standard Tread tractor |
| Type | 2WD |
| Operating weight | 34,000lb |
Engine
| Make | Hart-Parr |
|---|---|
| Power | 110hp |
| Cylinders | 4 |
| Displacement | 3,309.4ci |
| Bore | 9in |
| Stroke | 13in |
Chassis & drive
| Chassis | 2WD |
|---|---|
| Drive | 2WD |
| Steering | Manual |
Dimensions
| Operating weight | 34,000lb |
|---|
Head to head
40-80 vs. Standard Tread median
How the Hart-Parr 40-80 compares to other Standard Tread tractors
| Spec | This model | Standard Tread median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 110 hp | 45 hp | +144% | 93rd |
| Engine Displacement | 3,309 ci | 382 ci | +767% | 99th |
| Cylinders | 4 | 4 | at median | 50th |
| Operating Weight | 34,000 lb | 6,834 lb | +398% | 99th |
Medians and percentiles are computed from the standard tread tractors in our database with a recorded value for each spec (sample sizes 121–367 models).
Compare to tractors with similar specs
Commonly compared Hart-Parr tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Hart-Parr 40 | 40.66 hp | 6,300 lb | — | Compare → |
| Hart-Parr 30 | 30 hp | 5,450 lb | — | Compare → |
| Hart-Parr 12-24 | — | 4,440 lb | — | Compare → |
| Hart-Parr 16-30 | — | 8,000 lb | — | Compare → |
| Hart-Parr 17-30 | — | — | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| AGCO LT90A | 110 hp | 8,820 lb | — | Compare → |
| Agrinar T-110 | 110 hp | — | — | Compare → |
| Allis Chalmers HD11 | 110 hp | 21,000 lb | 1955–1965 | Compare → |
| Apollo 1104 | 110 hp | 10,710 lb | — | Compare → |
| AGCO LT85A | 110.1 hp | 10,605 lb | — | Compare → |
Explore
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FAQ
Common questions
What is the engine power output of the Hart-Parr 40-80?
Rated engine output for the Hart-Parr 40-80 is 110 hp, delivered by a 4-cylinder engine. The engine displaces 3,309.4 ci.
What hitch category is the Hart-Parr 40-80?
The Hart-Parr 40-80 uses a Category Category 3 hitch.
What is the operating weight of the Hart-Parr 40-80?
In working trim, the Hart-Parr 40-80 comes in at roughly 34,000 lb.
How do I maintain a Hart-Parr 40-80?
Routine service for the Hart-Parr 40-80 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.