| Manufacturer |
Allis Chalmers |
| Price |
17,035(USD) |
| Model |
7030 |
| Equipment Type |
Row-Crop Tractors |
| Factory |
West Allis, Wisconsin, USA |
NEBRASKA TRACTOR TEST 1119 2
| Description |
Diesel 20-speed 2WD March 13 - 30, 1973 Link: Nebraska Tractor Test 1119 file PTO performance Drawbar performance Gear 4SL used for power test Gear 1FL used for pull test |
| Power at rated engine speed |
130.98hp / 97.7kW |
| Fuel use |
8.5gal/hour / 32.2l/hour |
| Power at rated PTO speed |
131.14hp / 97.8kW |
| Max power |
110.29hp / 82.2kW |
| Max pull |
12,610lbs / 5719kg |
ALLIS CHALMERS 7030 POWER
| Drawbar (claimed) |
110hp / 82.0kW |
| PTO (claimed) |
130.98hp / 97.7kW |
| Drawbar (tested) |
110.29hp / 82.2kW |
| PTO (tested) |
130.98hp / 97.7kW |
ENGINE DETAIL
The Allis Chalmers 7030 features a robust 7.0L turbocharged diesel engine with a high displacement, offering significant torque and power output at a rated RPM of 2300, making it suitable for heavy-duty agricultural tasks. The 16:1 compression ratio enhances fuel efficiency and engine performance, while the dry air cleaner contributes to lower maintenance requirements, although it may be less effective in extremely dusty conditions. Operators should be mindful of the 12V starter requirement when integrating this tractor into broader farming operations, ensuring proper battery specifications are met for reliable starting.
| Description |
Allis Chalmers 3500 Mark II turbocharged diesel 6-cylinder liquid-cooled |
| Displacement |
426ci / 7.0L |
| Bore/Stroke |
4.25x5.00inches / 108x 127mm |
| Air cleaner |
dry |
| Compression |
16:1 |
| Rated RPM |
2300 |
| Starter volts |
12 |
ALLIS CHALMERS 7030 ENGINE
The Allis Chalmers 7030 features a robust 7.0L 6-cylinder diesel engine, delivering strong torque output essential for heavy-duty tasks such as plowing and towing. Its advantages include durability and efficiency, while potential challenges may arise with maintenance complexity due to its older design and technology. Optimal scenarios for this tractor involve medium to large farms requiring reliable power for demanding agricultural operations.
| Description |
Allis Chalmers 7.0L 6-cyl diesel |
TRANSMISSION
The Allis Chalmers 7030 tractor features a partial power shift transmission, enabling smooth gear transitions with minimal interruption to power delivery through its 20 forward and 4 reverse gears. The dual-range Power Director allows operators to select from five speeds in both low and high ranges, enhancing versatility for various applications—from heavy tillage to transport. While this transmission allows for efficient operation, the complexity may present challenges in maintenance and operator training, necessitating familiarity with shifting techniques to optimize performance.
| Transmission |
Allis-Chalmers Power Director XX |
| Type |
partial power shift |
| Gears |
20 forward and 4 reverse |
| Description |
The Power Director provides five gears (1-5) in two ranges (slow-fast) with a two-speed power shift (low-high) |
SPEEDS
| Description |
With 18.4x38 rear tires |
MECHANICAL
The Allis Chalmers 7030 features a 4x2 2WD chassis, providing stable performance on flat terrains but may struggle in slippery conditions due to limited traction compared to 4WD alternatives. Its hydrostatic power steering ensures ease of maneuverability, while the differential hydraulic wet disc brakes offer reliable stopping power for enhanced safety. The optional cab can improve operator comfort, but its absence may expose operators to environmental conditions.
| Chassis |
4x2 2WD |
| Steering |
hydrostatic power |
| Brakes |
differential hydraulic wet discs |
| Cab |
Cab optional |
| Transmission |
20-speed partial power shift |
HYDRAULICS
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
540/1000 |
ALLIS CHALMERS 7030 TIRES
The Allis Chalmers 7030 tractor features an Ag front tire size of 11.00-16 and a rear tire size of 20.8-38, providing excellent load distribution and traction on various terrains. The larger rear tires enhance stability and power transfer during heavy agricultural tasks, while the front tires facilitate maneuverability. However, operators should consider potential challenges with tire wear and ground compaction, particularly in wet conditions or on softer soil types.
| Ag front |
11.00-16 |
| Ag rear |
20.8-38 |
DIMENSIONS
| Wheelbase |
106inches / 269cm |
| Length |
163inches / 414cm |
| Width |
95.5inches / 242cm |
| Height |
116inches / 294cm |
| Operating weight |
12,430lbs / 5638kg |
| Ballasted weight |
16,560lbs / 7511kg |
DIMENSIONS & TIRES
The Allis Chalmers 7030 features a 106-inch wheelbase, providing a stable platform for various field operations but may limit maneuverability in tight spaces. Weighing 12,430 lbs, its substantial mass enhances traction and reduces soil compaction, beneficial for heavy tillage tasks. The tire specifications, with 11.00-16 in the front and 20.8-38 in the rear, suggest strong performance in rugged terrain, yet may require careful pressure adjustments to optimize performance for varying load conditions.
| Wheelbase |
106inches / 269cm |
| Weight |
12,430lbs / 5638kg |
| Front tire |
11.00-16 |
| Rear tire |
20.8-38 |
7030 SERIAL NUMBERS
| Location |
Above PTO shield |
| 1973 |
1001 |
| 1974 |
2595 |
| Final |
4398 |
