Year Serial Number Range                                       Year LO-BOY Serial Numbers

1947 501 - 11347       
1948 11348 - 57830       
1949 57831 - 99535       
1950 99536 - 121453       
1951 121454 - 144454       
1952 144455 - 162283       
1953 162284 - 179411       
1954 179412 - 186440       
1955 186441 - 193657                                                                                              
1956 193658 - 198230                                                                                              
1957 198231 - 204388                                                                                              
1958 204389 - 211440                                                                                              
1959 211441 - 214973                                                                                              
1960 214974 - 217381                                                                                              
1961 217382 - 220037                                                                                              
1962 220038 - 221382                                                                                              
1963 221383 - 223452                                                                                              
1964 223453 - 224703                                                                                              

Year International Cub
                                                                           
1964 224704 - 225109                                                                                                                         
1965 225110 - 227208                                                        
1966 227209 - 229224                                                        
1967 229225 - 231004       
1968 231005 - 232980       
1969 232981 - 234867       
1970 234868 - 236826       
1971 236827 - 238505       
1972 238506 - 240580       
1973 240581 - 242745       
1974 242746 - 245650       
1975 245651 - 248617       
1976 248618 - 250831       
1977 250832 - 252108       
1978 252109 - 253135       
1979 253136 - 253685      
INFORMATION
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CASTING DATE TABLE
Year     Code
1947       Q
1948       R
1949       S
1950       T
1951*      U
1951*      V
1951*     W
1952       X
1953       Y
1954       Z
1955**    A
1956       B
1957       C
1958       D
1959       E
1960       F
1961       G
1962       H
1963        J
1964       K
1965       L
1966       M
1967       N
1968       O
1969       P
1970       R
1971       S
1972       T
1973       W
1974        X
1975        Y
1976        Z
1977**     A
1978        B
1979        C

* IN 1951 MORE THAN ONE
LETTER WAS USED

**IN 1955 & 1977
THE LETTERS STARTED OVER
Engine Cylinders ..............................  4
Bore  ....................................................  2 5/8 in.
Stroke  .................................................  2 3/4 in.
Engine Speed (governed)  .............  Minimum Speed
450-500 rpm
Maximum Idle Speed (no load) 1800 rpm
Maximum (full load) 1600 rpm
Magneto (clockwise rotation) I.H., .........  Type J-4
Spark Plug Gap  ........................................   .023 in.
Valve Clearance (engine cold)   ............   .013 in.
Carburetor I.H.,  .........................................   3/4 in. updraft
Battery Ignition Unit (when so equipped) (clockwise
rotation, 16* advance) I.H.
Capacities
Fuel Tank  ................................................     7 1/2 Gallons
Water Cooling System ...............................    9 3/4 qt.
Crankcase Pan .........................................    3 qt.
Transmission Case  ...................................    3 1/2 pt.
Rear Axle Drive Housing (each) ...................    1 3/4 pt.
Steering Gear Housing  ...............................   3/4 pt.
Air Cleaner Oil Cup (Donaldson) ..................    1/2 pt.
Air Cleaner Oil Cup (United) ........................    1/3 pt.
Belt Pulley Housing  .....................................   1/3 pt.
Touch Control System  ...............................    4 1/4 pt.
Clutch Single-Plate, Dry-Disc, Spring-loaded ..  6 1/2 in.
Belt Pulley and Power Take-Off Pulley Speed  
Low Idle (no load)  ...............................    392 rpm
Fast Idle (no load)  ..............................    1487 rpm
Maximum (full load) .............................    1322 rpm
Belt Speed (with 9-in. pulley) ......................     3114 ft. per. min.
Pulley Diameter .........................................     9 in.
Pulley Face  .............................................      4 1/2 in.

Power Take-Off Shaft Speed ( counterclockwise rotation)  
Low Idle (no load)  ................................     475 rpm
Fast Idle (no load) ................................     1800 rpm
Maximum (full load)  .............................     1600 rpm
Fuse and Headlight Lamps Fuse (cartridge-type) ...No. 106653 SFE - 20 Amp.
Headlight Lamps  ......................................No. 142309 (trade No. 1133) 6-8 Volt
32 Candlepower

Foot Brakes External Contracting On Drums  

Transmission (Three Speeds) Speeds Based On 8-24 Pneumatic Tire Size)  
Speed (Miles Per Hour) .................................. 1st. 2 1/8 mph
.................................. 2nd 3 1/8 mph
.................................. 3rd 6 1/2 mph
................................... Reverse 2 3/8 mph

Wheels and Tread Front Wheels, Pneumatic Tire Size  4.00 - 12
Rear Wheels, Pneumatic Tire Size 8 - 24
Wheelbase 69 1/4 in.
Tread, Front (standard - fixed axle with reversible wheels) 40 5/8 and 46 3/8 in.
Tread, Front (adjustable front axle, 4 - in. intervals) 40 5/8 to 56 5/8 in.
Tread, Rear (adjustable - reversible wheels and rims, 4 - in. intervals) 40 to 56 in.
DE FARMALL CUBS
1955 501 - 2554
1956 2555 - 3928
1957 3929 - 6581
1958 6582 - 10566
1959 10567 - 12370
1960 12371 - 13903
1961 13904 - 15505
1962 15506 - 16439
1963 16440 - 17927
1964 17928 - 19405
1965 19406 - 21175
1966 21176 - 23114
1967 23115 - 24480
1968 24481 - 26007
Ground Clearance For Crops:
Under front axle ..20 3/8 in.
Under rear axle ...20 3/4 in.
Drawbar (adjustable):   
Normal Height ..............14 3/8 in.
High and Low Positions ..12 3/8 and 16 in.
Lateral Adjustment .........11 7/16 in. on each
side of center hole
Minimum Turning Radius with minimum
treads:  
Without Brake Applied .....9 1/4 ft.
With Brake Applied  .........8 1/4 ft.
Tractor Serial Numbers - On the aluminum identification
plate, located on the right side of the steering gear housing.
(Right side of tractor). Once you know the serial number, you
can use the table above to determine the year.


Engine Serial Numbers - The engine serial number is
stamped   into the cylinder block above the oil filler tube. (Left
side of  tractor) This number  should be used when ordering
parts related to the engine.


Casting Dates - These dates are used to determine or
confirm model year and are found in several places on your
tractor.  They will appear like this 12 * 7 * S. (Month * Day *
Year) The letter, when found on the table will give you the
year of casting. These dates will also let you know if a part has
been changed out or replaced. Casting dates can be found
on the cylinder block, steering gear housing, clutch housing
,
transmission housing, etc.
 
     PARTS NUMBERS

Q.  WHAT'S THE DIFFERENCE BETWEEN R1 AND R2                   
      ON THE PART NUMBER?

A.   IN CASES WHERE THE PART NUMBER SUFFIX LETTERS    
       HAVE BEEN ADVANCED, THE NEW PART WILL REPLACE  
       EXAMPLE, PART NUMBERS WITH SUFFIX LETTERS DB,      
       WILL WORK FOR D, OR DA.  WHEN "R" SUFFIX IS USED R2
       WILL WORK FOR R1. R12 WILL WORK FOR R11, R21 WILL   
       WORK FOR R11 AND R92 WILL WORK FOR R91.
LEFT & RIGHT

LEFT AND RIGHT ARE
DETERMINED AS IF YOU
ARE SITTING ON THE
TRACTOR FACING
FORWARD.

EXAMPLE: THOSE PARTS
FOUND LISTED AS
LH
WOULD GO ON THE
SIDE OF THE TRACTOR
THAT CORRESPONDS
TO YOUR LEFT WHILE
FACING THE FRONT,
AND SEATED ON, OR
STANDING AT THE REAR
OF THE TRACTOR.
ARE YOU ELIGIBLE FOR TAX EXEMPTION
Do I need a registration number?

Beginning Jan. 1, 2012, if you claim an exemption from sales tax on the
purchase of certain items used in the production of agricultural and timber
products, The answer is yes. In the Texas 82nd Regular Legislative Session, a
bill was passed (House Bill 268) that requires a person claiming an exemption
from sales tax on such purchases must provide a registration number issued
by the Comptroller of Public Accounts on the exemption certificate issued to
the seller. The Comptroller will provide a registration number to you upon your
successful application for registration.
CLICK HERE for an online application
and more information.