| Manufacturer | Allis Chalmers |
| Price | 8,672(USD) |
| Model | 190XT |
| Equipment Type | Row-Crop Tractors |
| Factory | West Allis, Wisconsin, USA |
NEBRASKA TRACTOR TEST 887 2
| Description | Diesel 8-speed 2WD April 10 - 16, 1965 Link: Nebraska Tractor Test 887 file PTO performance Drawbar performance Gear 4 used for power test Gear 3 used for pull test |
| Power at rated engine speed | 93.64hp / 69.8kW |
| Fuel use | 5.7gal / hour 21.6l / hour |
| Power at rated PTO speed | 89.71hp / 66.9kW |
| Max power | 79.12hp / 59.0kW |
| Max pull | 8,917lbs / 4044kg |
NEBRASKA TRACTOR TEST 927 2
| Description | LP gas 8-speed 2WD November 9 - 17, 1965 Link: Nebraska Tractor Test 927 file PTO performance Drawbar performance Gear 4 used for power test Gear 2 used for pull test |
| Power at rated engine speed | 85.25hp / 63.6kW |
| Fuel use | 10.0gal / hour 37.9l / hour |
| Power at rated PTO speed | 76.36hp / 56.9kW |
| Max power | 71.95hp / 53.7kW |
| Max pull | 9,418lbs / 4272kg |
NEBRASKA TRACTOR TEST 929 2
| Description | Gasoline 8-speed 2WD/November 9 - 16, 1965/Link: Nebraska Tractor Test 929 file/PTO performance/Drawbar performance/Gear 4 used for power test./Gear 2 used for pull test. |
| Power at rated engine speed | 89.53hp / 66.8kW |
| Fuel use | 8.5gal / hour 32.2l / hour |
| Power at rated PTO speed | 82.30hp / 61.4kW |
| Max power | 76.65hp / 57.2kW |
| Max pull | 9,199lbs / 4172kg |
ALLIS CHALMERS 190XT POWER
| Drawbar (tested) | 79.12hp / 59.0kW |
| PTO (tested) | 93.64hp / 69.8kW |
ENGINES OVERVIEW
The Allis Chalmers 190XT tractor is powered by a versatile 4.9L 6-cylinder engine available in gasoline, LP gas, and diesel variants, allowing operators to select the fuel type that best suits their operational needs. The gasoline version offers better throttle response, while the diesel variant provides enhanced fuel efficiency and torque for heavy-duty applications. However, the LP gas model may face availability issues in certain regions, potentially impacting operational flexibility.
| Description | Allis Chalmers 4.9L 6-cyl gasoline Allis-Chalmers 4.9L 6-cyl LP gas Allis-Chalmers 4.9L 6-cyl diesel |
ENGINE DETAIL 1
The Allis Chalmers 190XT tractor features a robust G2800 gasoline engine with a displacement of 301 ci (4.9L), providing a balanced power output at a rated RPM of 2200, making it well-suited for medium-duty agricultural tasks. With a dry air cleaner and an 8:1 compression ratio, it offers decent fuel efficiency, though the 2200 RPM limit may hinder performance in high-demand applications compared to higher RPM engines. Maintenance aspects, like the specified spark plug and point gaps, as well as valve clearances, are critical for optimal engine performance and longevity; neglecting these can lead to reduced efficiency and increased wear.
| Description | Allis Chalmers G2800 gasoline 6-cylinder liquid-cooled |
| Displacement | 301ci / 4.9L |
| Bore/Stroke | 3.875x4.25inches / 98 x 108mm |
| Air cleaner | dry |
| Compression | 8:1 |
| Rated RPM | 2200 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Coolant capacity | 18qts / 17.0L |
| Sparkplug gap | 0.025inches / 0.635mm |
| Point gap | 0.016inches / 0.406mm |
| Intake valve clearance | 0.020inches / 0.508mm (hot) |
| Exhaust valve clearance | 0.025inches / 0.635mm (hot) |
ENGINE OIL 1
The Allis Chalmers 190XT has an oil capacity of 12 quarts (11.4 liters), necessitating regular oil changes to maintain optimal engine performance and longevity. Ensure the use of proper oil grades to prevent wear on the engine components, particularly under heavy load scenarios typical for farm operations. Regular monitoring of oil levels is crucial to avoid potential engine damage from low oil conditions.
| Oil capacity | 12qts / 11.4L |
ENGINE DETAIL 2
The Allis Chalmers 190XT features a G2800 LP gas 6-cylinder engine with a 4.9L displacement, offering efficient power delivery at a rated RPM of 2200, making it well-suited for agricultural applications. The 9:1 compression ratio indicates a balance between power output and fuel efficiency, although the dry air cleaner necessitates routine maintenance to prevent performance issues. However, the specific spark plug and valve clearances require accurate adjustments to ensure optimal engine performance, posing challenges for less experienced operators.
| Description | Allis-Chalmers G2800 LP gas 6-cylinder liquid-cooled |
| Displacement | 301ci / 4.9L |
| Bore/Stroke | 3.875x4.25inches / 98 x 108mm |
| Air cleaner | dry |
| Compression | 9:1 |
| Rated RPM | 2200 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Coolant capacity | 18qts / 17.0L |
| Sparkplug gap | 0.020inches / 0.508mm |
| Point gap | 0.016inches / 0.406mm |
| Intake valve clearance | 0.020inches / 0.508mm (hot) |
| Exhaust valve clearance | 0.025inches / 0.635mm (hot) |
ENGINE OIL 2
The Allis Chalmers 190XT has an oil capacity of 12 quarts (11.4 liters), which is relatively moderate for a tractor of its size, facilitating adequate lubrication for engine components. It's essential to monitor oil levels regularly to prevent engine wear and ensure optimal performance. Adequate oil maintenance can help prolong engine life and reduce the frequency of costly repairs.
| Oil capacity | 12qts / 11.4L |
ENGINE DETAIL 3
The Allis Chalmers 190XT features a robust 2900 turbocharged diesel engine with a high compression ratio of 16.25:1, enhancing efficiency and torque at rated RPMs of 2200, making it suitable for heavy-duty applications. The dry air cleaner ensures optimal intake air quality but may require more frequent maintenance in dusty conditions. With a coolant capacity of 18 quarts, the engine is well-equipped for temperature regulation during extended operations, although monitoring coolant levels is crucial to prevent overheating.
| Description | Allis-Chalmers 2900 turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 301ci / 4.9L |
| Bore/Stroke | 3.875x4.25inches / 98 x 108mm |
| Air cleaner | dry |
| Compression | 16.25:1 |
| Rated RPM | 2200 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Coolant capacity | 18qts / 17.0L |
| Intake valve clearance | 0.015inches / 0.381mm (hot) |
| Exhaust valve clearance | 0.015inches / 0.381mm (hot) |
ENGINE OIL 3
The Allis Chalmers 190XT features an oil capacity of 12 quarts (11.4 liters), which is critical for ensuring optimal lubrication and cooling of the engine components. Maintaining proper oil levels is essential to prevent engine wear and overheating, particularly under heavy load scenarios. Regular oil changes and monitoring can improve engine life and operational efficiency, making this a vital aspect of maintenance.
| Oil capacity | 12qts / 11.4L |
ALLIS CHALMERS 190XT ENGINES
The Allis Chalmers 190XT features a robust 4.9L 6-cylinder engine available in gasoline, LP gas, or diesel configurations, providing versatility for various agricultural applications. The gasoline variant offers quicker starts and higher RPMs, while the diesel model enhances fuel efficiency and torque for heavy-duty tasks. The primary challenge lies in maintenance, particularly with the LP gas version, which may require specialized knowledge and equipment for optimal operation.
| Description | Allis Chalmers 4.9L 6-cyl gasoline Allis-Chalmers 4.9L 6-cyl LP gas Allis-Chalmers 4.9L 6-cyl diesel |
TRANSMISSION
The Allis Chalmers 190XT features a two-speed power shift transmission with 8 forward and 2 reverse gears, allowing for enhanced operational versatility. The unique Power Director system enables on-the-move shifting between high, low, and neutral without clutching, optimizing productivity in certain field scenarios. However, the requirement to stop and use the clutch for selecting forward and reverse gears may introduce delays during frequent directional changes.
| Transmission | Power Director |
| Type | two-speed power shift |
| Gears | 8 forward and 2 reverse |
| Oil capacity | 32qts / 30.3L / 38qts / 36.0L (S/N 23000 and up) |
| Description | The transmission is controlled by means of the gear shift lever and the Power Director lever. The tractor must be stopped, and clutch used, to select one of four forward gears, or reverse. The Power Director lever has high, low, and neutral positions. The Power Director can be shifted on the move without clutching. Placing the Power Director into neutral causes the tractor to stop while keeping the PTO engaged. |
SPEEDS
| Description | With 15.5-38 rear tires |
MECHANICAL
The Allis Chalmers 190XT features a robust 4x2 2WD chassis, providing excellent maneuverability on flat terrains but limited traction in adverse conditions. Its hydraulic power assist steering enhances operability, while the differential band actuated disc brakes offer reliable stopping power, though maintenance may be more complex. The 8-speed two-speed power shift transmission allows for efficient power management, making it ideal for a variety of agricultural tasks, but operators should be aware of potential wear in high-use scenarios.
| Chassis | 4x2 2WD |
| Steering | hydraulic power assist |
| Brakes | differential band actuated disc |
| Cab | Open operator station. Factory cab available starting in 1965. |
| Transmission | 8-speed two-speed power shift |
CAPACITY
| Fuel | 48gal / 181.7L (gas/diesel) / 52gal / 196.8L (LP gas) |
| Hydraulic system | 9gal / 34.1L |
HYDRAULICS
| Type | open center |
| Capacity | 9gal / 34.1L |
| Pressure | 2000psi / 137.9bar |
| Pump flow | 12gpm / 45.4lpm |
| Steering flow | 12gpm / 45.4 pm |
TRACTOR HITCH
| Rear Type | II |
| Type | Allis Snap-Coupler |
POWER TAKE-OFF (PTO)
| Rear PTO | live |
| Rear RPM | 540/1000/540/1000 |
ALLIS CHALMERS 190XT TIRES
The Allis Chalmers 190XT features an Ag front tire size of 7.50-16 and a robust rear tire size of 18.4-34, providing excellent traction and stability on various terrains. The larger rear tires enhance rear lift capacity and improve weight distribution, making it advantageous for heavy drafting applications. However, the relatively narrow front tires may limit steering precision in soft or muddy conditions, which could present challenges in certain agricultural scenarios.
| Ag front | 7.50-16 |
| Ag rear | 18.4-34 |
DIMENSIONS
| Wheelbase | 105inches / 266cm |
ALLIS CHALMERS 190XT WEIGHT
| Operating | 7,675 lbs/3481 kg (gas)/7,715 lbs/3499 kg (LP gas)/7,945 lbs/3603 kg (diesel) |
| Ballasted | 11,300lbs / 5125kg |
DIMENSIONS & TIRES
The Allis Chalmers 190XT features a 105-inch wheelbase, providing stability for heavy-duty applications, while its weight range of 7675 to 7945 pounds enhances traction and power transfer. The front tire size of 7.50-16 offers adequate steering precision, whereas the rear tire size of 18.4-34 maximizes rear-end grip for enhanced pulling capacity, ideal for plowing or hauling. However, operators should consider tire pressure and load distribution carefully to prevent excessive soil compaction and optimize performance.
| Wheelbase | 105inches / 266cm |
| Weight | 7675 to 7945 pounds |
| Front tire | 7.50-16 |
| Rear tire | 18.4-34 |
190XT SERIAL NUMBERS
| Location | Torque housing |
| 1964 | 1001 |
| 1965 | 2484 |
| 1966 | 8210 |
| 1967 | 13273 |
| 1968 | 19262 |
| 1969 | 23234 |
| 1970 | 25901 |
| 1971 | 29136 |
BELT PULLEY
| Diameter | 9inches / 22cm |
| Width | 6.6inches / 16cm |
| RPM | 1845 |
| Speed | 4347ft / min / 1324.97meters / min |
ELECTRICAL
| Ground | negative |
| Charging system | generator |
| Batteries | 1 (gas)/2 (diesel) |
| Battery volts | 12 |
| Battery AH | 53 (gas)/95 (gas optional)/190 (diesel) |