UtilityPerformance profile
Allis Chalmers 720
The Allis Chalmers 720 is a small utility tractor that was made from 1975 to 1983. It's a 2-wheel drive tractor with a manual steering system, which means it's easy to control. The tractor has a hydrostatic transmission, allowing for smooth speed changes without shifting gears. This tractor is powered by a small Onan CCKB engine. It's an air-cooled, 2-cylinder gasoline engine that produces 19.5 horsepower. The engine is below average in size compared to other tractors, but it runs at a very high speed of 3600 rpm. The 720 is quite compact, measuring 82.7 inches long, 47.6 inches wide, and 42.9 inches tall. It's also very light, weighing only 1299 pounds. The tractor has both front and rear PTO (power take-off) options, making it versatile for different attachments. It comes with an open operator station and can be fitted with either agricultural or lawn tires.
ManufacturerAllis ChalmersPower19.5 hpEngine2-cylTransHydrostatic
Image not recorded
Quick specs
- Category
- Utility
- Engine Power Output
- 20hp
- Operating Weight
- 1,299 lb
- Transmission
- Hydrostatic
At a glance
How the 720 compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
19.5 hp · 8th
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The 720 ranks at the 8th percentile for engine power among recorded utility tractors.
Overview
About the Allis Chalmers 720
The Allis Chalmers 720 is a small utility tractor that was made from 1975 to 1983. It's a 2-wheel drive tractor with a manual steering system, which means it's easy to control. The tractor has a hydrostatic transmission, allowing for smooth speed changes without shifting gears. This tractor is powered by a small Onan CCKB engine. It's an air-cooled, 2-cylinder gasoline engine that produces 19.5 horsepower. The engine is below average in size compared to other tractors, but it runs at a very high speed of 3600 rpm. The 720 is quite compact, measuring 82.7 inches long, 47.6 inches wide, and 42.9 inches tall. It's also very light, weighing only 1299 pounds. The tractor has both front and rear PTO (power take-off) options, making it versatile for different attachments. It comes with an open operator station and can be fitted with either agricultural or lawn tires.
Full specifications
Every recorded spec
General
| Manufacturer | Allis Chalmers |
|---|---|
| Model | 720 |
| Category | Utility tractor |
| Type | 4x2 2WD |
| Years built | 1975–1983 |
| Operating weight | 1,299lb |
Engine
| Make | Onan |
|---|---|
| Model | CCKB |
| Power | 19.5hp |
| Cylinders | 2 |
| Displacement | 49.8ci |
| Bore | 3.27in |
| Stroke | 2.99in |
Transmission
| Type | Hydrostatic |
|---|
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Manual |
| Cab | Open operator station |
Power take-off
| Rear PTO | Independent with electric clutch |
|---|---|
| PTO speed | 2,000rpm |
Dimensions
| Length | 82.7in |
|---|---|
| Width | 47.6in |
| Height | 42.9in |
| Operating weight | 1,299lb |
Head to head
720 vs. Utility median
How the Allis Chalmers 720 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 19.5 hp | 55 hp | -65% | 8th |
| Engine Displacement | 49.8 ci | 183 ci | -73% | 3rd |
| Cylinders | 2 | 4 | -50% | 3rd |
| Operating Weight | 1,299 lb | 5,303 lb | -76% | 3rd |
| Length | 82.7 in | 137 in | -39% | 3rd |
| Width | 47.6 in | 66 in | -28% | 14th |
| Height | 42.9 in | 94.1 in | -54% | 1st |
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 Allis Chalmers tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Allis Chalmers 620 | 19.5 hp | 1,499 lb | 1973–1975 | Compare → |
| Allis Chalmers 5015 | 18 hp | 1,278 lb | 1982–1985 | Compare → |
| Allis Chalmers D270 | 22 hp | 2,500 lb | — | Compare → |
| Allis Chalmers 616 | 16.5 hp | 1,499 lb | 1972–1973 | Compare → |
| Allis Chalmers 5020 | 25 hp | 2,060 lb | 1977–1985 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Bolens HT20 | 19.5 hp | 1,091 lb | 1973–1978 | Compare → |
| Ag King AK2040 | 20 hp | 2,470 lb | — | Compare → |
| Ariens GT20 | 20 hp | 959 lb | 1988–1995 | Compare → |
| Bolens G192 | 19 hp | 1,672 lb | — | Compare → |
| Bolens G194 | 19 hp | 1,903 lb | — | Compare → |
Explore
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FAQ
Common questions
When was the Allis Chalmers 720 made?
The Allis Chalmers 720 was manufactured from 1975 to 1983.
What is the operating weight of the Allis Chalmers 720?
In working trim, the Allis Chalmers 720 comes in at roughly 1,299 lb.
Which transmission does the Allis Chalmers 720 use?
The Allis Chalmers 720 is equipped with a Hydrostatic transmission.
What is the engine power output of the Allis Chalmers 720?
Rated engine output for the Allis Chalmers 720 is 19.5 hp, delivered by a 2-cylinder engine. The engine displaces 49.8 ci.
How do I maintain a Allis Chalmers 720?
Routine service for the Allis Chalmers 720 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.