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WD45

Manufactured: 1953 - 1957
Total built: 90,382 (83,536 gasoline; 6,509 diesel)
Factory: West Allis, WI
Cost: (US Dollars) $2,400 (1956)
Power:
Drawbar (HP): 23 - 30
Belt (HP): 29 - 39
Plows: 4
Engine:
Manufacturer: Allis-Chalmers
Fuel: gasoline
Type: vertical I-head
Cylinders: 4
Bore/Stroke (inches): 4.00x4.50
Displacement (ci): 226
Compression: 6.45:1
Rated RPMs: 1400
Torque (ft-lbs): 288
Torque RPMs: 867
Firing order: 1-2-4-3
Oil capacity (qts):
Spark plug gap: 0.030
Point gap: 0.020
Engine:
Manufacturer: Allis-Chalmers
Fuel: tractor fuel
Type: vertical I-head
Cylinders: 4
Bore/Stroke (inches): 4.00x4.50
Displacement (ci): 226
Compression: 4.75:1
Rated RPMs: 1400
Torque (ft-lbs):
Firing order: 1-2-4-3
Oil capacity (qts):
Spark plug gap: 0.030
Point gap: 0.020
Engine:
Manufacturer: Allis-Chalmers
Fuel: LP gas
Type: vertical I-head
Cylinders: 4
Bore/Stroke (inches): 4.00x4.50
Displacement (ci): 226
Compression: 7.2:1
Rated RPMs: 1400
Torque (ft-lbs):
Firing order: 1-2-4-3
Oil capacity (qts):
Engine:
Manufacturer: Allis-Chalmers
Fuel: diesel
Type: vertical I-head
Cylinders: 6
Bore/Stroke (inches): 3.4375x4.125(original) - 3.5625x4.125(overbore)
Displacement (ci): 230(original) 247(overbore)
Compression: 15.5:1
Rated RPMs: 1625
Torque (ft-lbs): 259
Torque RPMs: 1169
Firing order: 1-5-3-6-2-4
Oil capacity (qts): 6 - (7 with filter)
* * * Available after October of 1954 * * *
Transmission:
Type: sliding gear
Forward: 4
Reverse: 1
Capacity:
Fuel (Gal): 15
Cooling (Qt): 14 - (17 diesel)
3-Point:
Category: Snap-Coupler
Lift (lbs):
Power Take-off (PTO):
Type: live
Rear speed (RPM): 540
Tires:
Ag front: 5.50-16
Ag rear: 13-28
Dimensions:
Weight (pounds): 4465
Wheelbase (inches): 88
Length (inches): 127
Width (inches):
Height (inches): 81.5
Ground clearance (inches): 29
Electrical:
Battery volts: 6 (12 diesel, using two 6v batteries)
Ground: Positive
Battery cold-cranking amps:
Alternator amps:
Steering:
mechanical, power available in 1956
Nebraska Test:
Test Number: 499
Test Date: July 1953
Engine: gasoline
Belt HP: 43.2
Drawbar HP: 37.8
Max pull (pounds): 2,856
PTO Fuel use (hh/g rated): 11.9
Nebraska Test:
Test Number: 511
Test Date: October 1953
Engine: tractor fuel
Belt HP: 33
Drawbar HP: 29.5
Max pull (pounds): 2,204
PTO Fuel use (hh/g rated): 10.7
Nebraska Test:
Test Number: 512
Test Date: October 1953
Engine: LP gas
Belt HP: 44.1
Drawbar HP: 38.5
Max pull (pounds): 2,891
PTO Fuel use (hh/g rated): 9.25
Nebraska Test:
Test Number: 563
Test Date: October 1955
Engine: diesel
Belt HP: 43.3
Drawbar HP: 39.5
Max pull (pounds): 3,045
PTO Fuel use (hh/g rated): 14.1
Serial Numbers:
Location: left brake housing
 
1953 146607 to 160385
1954 160386 to 190992
1955 190993 to 217991
1956 217992 to 230294
1957 230295 to 236958
Comments:
 
The WD45 was the first Allis-Chalmers tractor available with power steering. The diesel engine became available after Allis-Chalmers acquired Buda, and put the 6BD-230 engine in the tractor. The WD45 is considered by many to be one of the most important tractors built by Allis-Chalmers. At the time, it was the most powerful tractor for its size.
 

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WD & WD-45 Production
  WD WD45 WD45D
1947      
1948 9,236    
1949 26,200    
1950 36,870    
1951 32,549    
1952 26,031    
1953 15,239 13,777  
1954   30,232 396
1955   23,506 3,319
1956   9,796 2,384
1957   6,255 410
1958      
Total 146,125 83,566 6,509
WD-45 production started with SN# 146607
The first WD-45 Diesel was SN# 181341 in October 1954