Hart-Parr 30
The Hart-Parr 30 is a utility tractor with a standard tread design. It's a 2WD model with manual steering and a gear transmission. This tractor has two forward gears and one reverse gear, allowing it to move at speeds up to 2.88 miles per hour. The Hart-Parr 30 is powered by a liquid-cooled, twin-cylinder engine made by Hart-Parr. It can run on both gasoline and kerosene. The engine is very large for its time, with a displacement of 464.6 cubic inches. It produces 30 horsepower at 750 RPM, which is about average for tractors of its era. The tractor is quite heavy, weighing 5,450 pounds. It has steel wheels instead of rubber tires, with large rear wheels that are 52 inches in diameter and 10 inches wide. The tractor measures 141 inches long, 76 inches wide, and 61 inches tall.
Key specifications
- Category
- Utility
- Engine power
- 30hp
- Operating weight
- 5,450 lb
- Transmission
- Gear
Category comparison
30 compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
This model
The 30 ranks at the 22nd percentile for engine power among recorded utility tractors.
Overview
About the Hart-Parr 30
The Hart-Parr 30 is a utility tractor with a standard tread design. It's a 2WD model with manual steering and a gear transmission. This tractor has two forward gears and one reverse gear, allowing it to move at speeds up to 2.88 miles per hour. The Hart-Parr 30 is powered by a liquid-cooled, twin-cylinder engine made by Hart-Parr. It can run on both gasoline and kerosene. The engine is very large for its time, with a displacement of 464.6 cubic inches. It produces 30 horsepower at 750 RPM, which is about average for tractors of its era. The tractor is quite heavy, weighing 5,450 pounds. It has steel wheels instead of rubber tires, with large rear wheels that are 52 inches in diameter and 10 inches wide. The tractor measures 141 inches long, 76 inches wide, and 61 inches tall.
Full specifications
Recorded specifications
General
| Manufacturer | Hart-Parr |
|---|---|
| Model | 30 |
| Category | Utility tractor |
| Type | 4x2 2WD |
| Operating weight | 5,450lb(2,472 kg) |
Engine
| Make | Hart-Parr |
|---|---|
| Power | 30hp(22.37 kW) |
| Cylinders | 2 |
| Displacement | 464.6ci(7.61 L) |
| Bore | 6.5in(165.1 mm) |
| Stroke | 7in(177.8 mm) |
Transmission
| Type | Gear |
|---|---|
| Forward gears | 2 |
| Reverse gears | 1 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Manual |
Dimensions
| Length | 141in(3,581 mm) |
|---|---|
| Width | 76in(1,930 mm) |
| Height | 61in(1,549 mm) |
| Operating weight | 5,450lb(2,472 kg) |
Closest alternatives
30 compared with the nearest models by horsepower
By engine horsepower, the nearest utility models to the 30 are the Kubota B3000 and the Bobcat CT230. The Kubota B3000 matches it on rated power and weighs 3,180 lb less, so it is lighter for its power, which favors PTO and transport work over heavy draft. The Bobcat CT230 matches it on rated power and weighs 2,390 lb less, carrying 102 lb per horsepower against 182 lb. Of the 3 models, the 30 has the highest weight per horsepower at 182 lb per hp.
| Spec | Hart-Parr 30 | Kubota B3000 | Bobcat CT230 |
|---|---|---|---|
| Engine power | 30 hp22.4 kW | 30 hp22.4 kW | 30 hp22.4 kW |
| Operating weight | 5,450 lb2,472 kg | 2,271 lb1,030 kg | 3,056 lb1,386 kg |
| Weight per hp | 182 lb/hp111 kg/kW | 76 lb/hp46 kg/kW | 102 lb/hp62 kg/kW |
| Displacement | 464.6 ci7.61 L | 91.4 ci1.5 L | 91.5 ci1.5 L |
| Cylinders | 2 | 4 | 3 |
| Transmission | Gear | Hydrostatic | Hydrostatic |
| Drive | 2WD | 4WD | MFWD 4WD |
| Years built | - | 2010-2013 | 2008-2013 |
Calculators
Calculators for the 30
PTO power
About 25 to 27 PTO hp
Estimated from the 30 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 30 hp tractor can run
The calculator sizes mowers, tillers, discs, plows and balers for this tractor.
Ballast
211 lb per PTO hp as listed
The calculator gives the target weight and front/rear split for each job.
Units
30 hp is 22.4 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
30 vs. Utility median
Hart-Parr 30 compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 30 hp | 55 hp | -45% | 22nd |
| Engine Displacement | 465 ci | 183 ci | +154% | 93rd |
| Cylinders | 2 | 4 | -50% | 3rd |
| Forward Gears | 2 | 12 | -83% | 1st |
| Operating Weight | 5,450 lb | 5,303 lb | +3% | 51st |
| Length | 141 in | 137 in | +3% | 56th |
| Width | 76 in | 66 in | +15% | 73rd |
| Height | 61 in | 94.1 in | -35% | 11th |
Medians and percentiles are calculated from the utility tractors in the database that have a recorded value for each specification (sample size 3,933–5,720 models).
Same manufacturer
Other Hart-Parr models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked questions
What is the engine power output of the Hart-Parr 30?
Rated engine output for the Hart-Parr 30 is 30 hp, delivered by a 2-cylinder engine. The engine displaces 464.6 ci.
Which transmission does the Hart-Parr 30 use?
The Hart-Parr 30 is equipped with a Gear transmission with 2 forward gears.
What is the operating weight of the Hart-Parr 30?
The Hart-Parr 30 has an operating weight of about 5,450 lb.
How do I maintain a Hart-Parr 30?
Routine service for the Hart-Parr 30 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.

