| Manufacturer |
Allis Chalmers |
| Price |
2,400(USD) |
| Model |
WD45 |
| Equipment Type |
Row-Crop Tractors |
| Factory |
West Allis, Wisconsin, USA |
ENGINES OVERVIEW
The Allis Chalmers WD45 features a versatile 3.7L 4-cylinder gasoline engine, also available in LP gas and a more powerful 3.8L 6-cylinder diesel variant, offering flexibility in fuel choice. A notable advantage is its hydraulic system, which enhances implement performance but may require additional maintenance over time, particularly with the more complex diesel model. Ideal for both small-scale farms and hobbyists, the WD45 excels in mid-range power applications, though potential fuel efficiency trade-offs exist between the gasoline and diesel models.
| Description |
Allis-Chalmers 3.7L 4-cyl gasoline Allis-Chalmers 3.7L 4-cyl tractor fuel Allis-Chalmers 3.7L 4-cyl LP gas Allis-Chalmers 3.8L 6-cyl diesel |
ENGINE DETAIL 1
The Allis Chalmers WD45 features a robust 4-cylinder, 226ci (3.7L) gasoline engine with a decent torque output of 288 lb-ft at 867 RPM, making it suitable for heavy-duty tasks. Its compression ratio of 6.45:1 combined with a bore and stroke of 4.00x4.50 inches yields efficient power delivery and fuel combustion, though the low rated RPM of 1400 may limit its high-speed capabilities. Maintenance considerations include precise valve clearances of 0.012 inches when hot, which are crucial for optimal engine performance and longevity.
| Description |
Allis-Chalmers gasoline 4-cylinder liquid-cooled vertical I-head |
| Displacemen |
226ci / 3.7L |
| Bore/Strok |
4.00x4.50inches / 102x 114 mm |
| Compressio |
6.45:1 |
| Rated RP |
1400 |
| Torqu |
288 lb-ft/390.5 Nm |
| Torque RP |
867 |
| Firing orde |
1-2-4-3 |
| Starter volt |
6 |
| Sparkplug ga |
0.030inches / 0.762 mm |
| Point ga |
0.020inches / 0.508 mm |
| Intake valve clearanc |
0.012 inches*Hot/0.305 mm |
| Exhaust valve clearanc |
0.012 inches*Hot/0.305 mm |
ENGINE DETAIL 2
The Allis-Chalmers WD45 features a 4-cylinder, 3.7L liquid-cooled engine with a bore and stroke ratio conducive to balanced power delivery, producing rated power at 1400 RPM. With a low compression ratio of 4.75:1, it is optimized for reliable operation, although this may limit performance compared to higher compression alternatives. The maintenance specifications, including ignition point and valve clearances, are crucial for ensuring optimal engine performance and longevity, particularly in agricultural settings where versatility and durability are paramount.
| Description |
Allis-Chalmers tractor fuel 4-cylinder liquid-cooled vertical I-head |
| Displacemen |
226ci / 3.7L |
| Bore/Strok |
4.00x4.50inches / 102x 114 mm |
| Compressio |
4.75:1 |
| Rated RP |
1400 |
| Firing orde |
1-2-4-3 |
| Starter volt |
6 |
| Sparkplug ga |
0.030inches / 0.762 mm |
| Point ga |
0.020inches / 0.508 mm |
| Intake valve clearanc |
0.012 inches*Hot/0.305 mm |
| Exhaust valve clearanc |
0.012 inches*Hot/0.305 mm |
ENGINE DETAIL 3
The Allis-Chalmers WD45 features a 226 ci (3.7L) LP gas engine with a moderate compression ratio of 7.2:1, optimizing power output while accommodating lower emissions compared to gasoline models. Its torque peak at 1250 RPM (276 lb-ft) makes it suitable for tasks requiring high pulling power, such as plowing and heavy implement work. However, the 6-volt starter system may present challenges in cold weather, necessitating precautionary measures for reliable starting.
| Description |
Allis-Chalmers LP gas 4-cylinder liquid-cooled vertical I-head |
| Displacemen |
226ci / 3.7L |
| Bore/Strok |
4.00x4.50inches / 102x 114 mm |
| Compressio |
7.2:1 |
| Rated RP |
1400 |
| Torqu |
276 lb-ft/374.3 Nm |
| Torque RP |
1250 |
| Firing orde |
1-2-4-3 |
| Starter volt |
6 |
ENGINE DETAIL 4
The Allis Chalmers WD45 features a robust 6-cylinder diesel engine with a high compression ratio of 15.5:1, providing enhanced efficiency and power output at a rated RPM of 1625. With a torque rating of 259 lb-ft at 1169 RPM, it delivers substantial pulling power, suitable for agricultural and heavy-duty tasks. Potential challenges include managing the oil bath air cleaner and maintaining proper valve clearances to ensure optimal engine performance.
| Description |
Allis-Chalmers diesel 6-cylinder liquid-cooled vertical I-head Available after October of 1954 |
| Displacemen |
230ci / 3.8L |
| Bore/Strok |
3.4375x4.125inches / 87x 105 mm |
| Air cleane |
oil bath |
| Compressio |
15.5:1 |
| Rated RP |
1625 |
| Torqu |
259 lb-ft/351.2 Nm |
| Torque RP |
1169 |
| Firing orde |
1-5-3-6-2-4 |
| Starter volt |
12 |
| Coolant capacit |
17qts / 16.1L |
| Intake valve clearanc |
0.010 inches*Hot/0.254 mm |
| Exhaust valve clearanc |
0.019 inches*Hot/0.483 mm |
ENGINE OIL
The Allis Chalmers WD45 has an oil capacity of 7 quarts (6.6 liters), which is relatively modest and can facilitate easier maintenance and oil changes. A benefit of this oil capacity is the efficient lubrication of the engine, leading to improved performance and longevity. However, ensure timely oil checks to prevent potential overheating due to oil degradation, especially during extended heavy-duty agricultural tasks.
ALLIS CHALMERS WD45 ENGINES
The Allis Chalmers WD45 features a versatile 3.7L 4-cylinder gasoline engine, offering robust performance for light to medium agricultural tasks. Alternatively, its compatibility with LP gas enhances fuel efficiency and reduces emissions, while the optional 3.8L 6-cylinder diesel variant provides additional torque for heavier applications. Consider the operating environment and fuel availability; the WD45’s adaptability can optimize productivity across various farming scenarios, though the petrol options may face higher maintenance costs compared to diesel.
| Description |
Allis-Chalmers 3.7L 4-cyl gasoline Allis-Chalmers 3.7L 4-cyl tractor fuel Allis-Chalmers 3.7L 4-cyl LP gas Allis-Chalmers 3.8L 6-cyl diesel |
TRANSMISSION
The Allis Chalmers WD45 features a sliding gear transmission with 4 forward and 1 reverse speed, providing a straightforward operation suitable for various farming tasks. Its 178mm wet disc clutch enhances durability and reduces wear compared to traditional dry clutches, although maintenance may be more involved due to the hydraulic system. With an oil capacity of 17 quarts (16.1L) utilizing SAE 80EP oil, ensure proper lubrication for optimal performance and efficiency during extended use.
| Typ |
sliding gear |
| Gear |
4 forward and 1 reverse |
| Clutc |
178mm wet disc |
| Oil capacit |
17qts / 16.1L/SAE 80EP |
SPEEDS
| Description |
with 12x28 rear tires |
ALLIS CHALMERS WD45 TRANSMISSION
The Allis Chalmers WD45 features a 4-speed sliding gear transmission, providing four forward and one reverse gear, which enhances versatility for various agricultural tasks. This transmission system allows for smoother gear transitions under load, optimizing power delivery and improving efficiency in field operations. However, the sliding gear design may require more maintenance due to wear over time compared to constant mesh transmissions.
| Description |
4-speed sliding gear |
MECHANICAL
The Allis Chalmers WD45, equipped with two-wheel drive and mechanical band brakes, offers a straightforward design ideal for basic agricultural applications. The optional Half Cab provides improved operator comfort in adverse weather, although its absence may lead to exposure during rain or cold conditions. Power steering, introduced in 1956, enhances maneuverability, particularly when navigating tight spaces or during extended operation, though it may add maintenance complexity.
| Description |
Two-wheel drive Mechanical band brakes Open operator station. Optional Allis-Chalmers Half Cab with windshield and vinyl sides |
| Steerin |
mechanical/power *Power steering became available in 1956. |
CAPACITY
| Fue |
15gal / 56.8L |
| Hydraulic syste |
1.5gal / 5.7L |
HYDRAULICS
| Capacit |
1.5gal / 5.7L |
| 45oF [7oC] |
: SAE10W |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PT |
live |
| Clutc |
254mm dry disc |
| Rear RP |
540 (1.375) |
| Engine RP |
548@1400 |
ALLIS CHALMERS WD45 TIRES
The Allis Chalmers WD45 features a versatile tire configuration with 5.50-16 AG fronts and 12-28/13-28 AG rears, offering improved traction and stability for various agricultural tasks. The larger rear tires enhance drawbar power and enable greater load capacity, making it ideal for plowing or hauling operations. However, operators should consider potential challenges with tire compatibility and wear based on the soil type and terrain encountered during operations.
| Ag fron |
5.50-16 |
| Ag rea |
12-28/13-28 |
DIMENSIONS & TIRES
The Allis Chalmers WD45 tractor, with a wheelbase of 88 inches, provides stability for various field applications, making it suitable for both tilling and mowing tasks. Weighing between 3,995 and 4,285 pounds, it offers substantial traction; however, operating on softer terrains may require additional weight distribution strategies. The front tire size of 5.50-16 and rear tire size of 12-28 allows for good maneuverability and efficient weight transfer, which can be advantageous in tighter spaces but may limit performance in deep mud conditions.
| Wheelbas |
88inches / 223cm |
| Weigh |
3995 to 4285 pounds |
| Front tir |
5.50-16 |
| Rear tir |
12-28 |
BELT PULLEY
| Diamete |
9 inches/22 cm |
| Widt |
6.5inches / 16cm |
| RP |
1458 |
ELECTRICAL
| Groun |
positive |
| Gas Batterie |
1 |
| Diesel Batterie |
2 |
| Battery volt |
6 |
| Battery A |
115 |
