Revised 01-16-05


1959 VIN - Model - Series Identification

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RPO = Regular Production Options

Serial Numbers locations

*ENGINE* *TRANSMISSION*
V8 Numbers = Top of Right Hand Bank at the front.
 6 Cylinder Numbers = On boss at the rear of the distributor.
3-speed conventional, overdrive, 4-speed = rear face. 
3-speed Heavy Duty = left side at rear. 
5-speed = right side rear bottom. 
Automatic = left side at rear.
*REAR END* *VEHICLE*

Series 3100 = front face.
All Other = top

Forward Control = left hand side on steering column. Flat Face Cowl = front face of cowl top panel. 
All Other = body hinge pillar.

Vehicle Serial Numbers

Example: 3C59K100035
3D = Series*, 59 = Year, K = Assembly Plant,
100035 = Unit Number beginning with 100001 at each plant regardless of Series.
* = The letter "V" prefix to the Series designation will identify models equipped with optional V-8 engine.

 
Series Designation

Ton   Series

Wheel Base (in) Model Type
3A 1/2 3100 % 114 Flat Face Cowl Chassis, Cab Chassis, Pickup Step Side, Pickup Fleet Side, Panel, Suburban W/S Cowl Chassis & Cameo
3B 1/2 3200 123.2 Cab Chassis, Pickup Step Side, Pickup Fleet Side
3C 1/2 3400 104 Forward Control, Step Van
3D 3/4 3500 125 Forward Control, Step Van
3E 3/4 3600 % 123.2 Flat Face Cowl Chassis, Cab Chassis, Pickup Step Side, Pickup Fleet Side, Stake & W/S Cowl Chassis
3F 1 3700 137 Forward Control, Step Van
3G 1 3800 % 135 Flat Face Cowl Chassis, Cab Chassis, Pickup Step Side, Panel, Stake & W/S Cowl Chassis
4A 1-1/2 4100 132.5 Flat Face Cowl Chassis, Cab Chassis, Stake & W/S Cowl Chassis
4B 1-1/2 4400 156.5 Flat Face Cowl Chassis, Cab Chassis, Stake & W/S Cowl Chassis
4C 1-1/2 4500 156.5 School Bus Chassis
5A 2 5100 112.6 Cab Chassis
5B 2 5400 136.6 Cab Chassis & Stake
5C 2 5700 160.6 Cab Chassis & Stake
5D 1-1/2HD 5100S 112.6 Cab Chassis
5E 1-1/2HD 5400S 136.6 Cab Chassis & Stake
5F 1-1/2HD 5700S 160.6 Cab Chassis
5G 2HD 5100H 112.6 Cab Chassis
5H 2HD 5400H 136.6 Cab Chassis & Stake
5J 2HD 5700H 160.6 Cab Chassis
5K 2 5300 124.6 Cab Chassis
5L 1-1/2HD 5300S 124.6 Cab Chassis
5M 2HD 5300H 124.6 Cab Chassis
6A 2 6100 132.5 Flat Face Cowl Chassis, Cab Chassis, Stake & W/S Cowl Chassis
6B 2 6400 156.5 Flat Face Cowl Chassis, Cab Chassis, Stake & W/S Cowl Chassis
6C 2 6500 174.5 Flat Face Cowl Chassis, Cab Chassis & W/S Cowl Chassis
6D 2 6702 196.5 School Bus Chassis
6E 2 6800 222.5 School Bus Chassis
6F 1-1/2HD 6100S 132.5 Flat Face Cowl Chassis, Cab Chassis, Stake & W/S Cowl Chassis
6G 1-1/2HD 6400S 156.5 Flat Face Cowl Chassis, Cab Chassis, Stake & W/S Cowl Chassis
6H 1-1/2HD 6500S 174.5 Flat Face Cowl Chassis, Cab Chassis & W/S Cowl Chassis
6J 2 6200 129.6 Forward Control
6K 2 6600 153.6 Forward Control
6L 2HD 6100H 132.5 Flat Face Cowl Chassis, Cab Chassis, Stake & W/S Cowl Chassis
6M 2HD 6400H 156.5 Flat Face Cowl Chassis, Cab Chassis, Stake & W/S Cowl Chassis
6N 2HD 6500H 174.5 Flat Face Cowl Chassis, Cab Chassis & W/S Cowl Chassis
6P 2 6300 144.5 Cab Chassis
6R 1-1/2HD 6300S 144.5 Cab Chassis
6S 2HD 6300H 144.5 Cab Chassis
6T 2HD 6700S 196.5 Cab Chassis
6U 2 6700 196.5 Cab Chassis
6V 2 6703 196.5 Cab Chassis
7A 2-1/2 7100 112 Cab Chassis & Stake
7B 2-1/2 7200 124 Cab Chassis
7C 2-1/2 7700 172 Cab Chassis
8A 2-1/2 8100 132.5 Cab Chassis & Stake
8B 2-1/2 8200 144.5 Cab Chassis
8C 2-1/2 8400 @ 154.5 Cab Chassis & Stake
8D 2-1/2 8500 @ 174.5 Cab Chassis
8E 2-1/2 8700 @ 192.5 Cab Chassis
8F 2-1/2 8800 240 School Bus Chassis
9A 2-1/2 9100 112 Cab Chassis
9B 2-1/2 9200 124 Cab Chassis
9C 2-1/2 9700 172 Cab Chassis
10A 2-1/2 10100 132.5 Cab Chassis
10B 2-1/2 10200 144.5 Cab Chassis
10C 2-1/2 10400 @ 156.5 Cab Chassis
10D 2-1/2 10500 @ 174.5 Cab Chassis
10E 2-1/2 10700 @ 192.5 Cab Chassis
10F 2-1/2 10800 240 School Bus Chassis
	S = "Special" Model 
	H = "Heavy Duty" Model
	% = Optional Four Wheel Drive Equipment is available on these models; see RPO 690. 
	@ = Optional Tandem Axle Equipment is available on these models; for 8000 Series see 
		RPO 682; for 10000 Series see RPO 476.
	Series 3000 = Light Duty
	Series 4000, 5000, 6000, 6000S & 6000H  = Medium Duty
	Series 7000, 8000, 9000 & 10000 = Heavy Duty
	ASSEMBLY PLANTS:
	A = Atlanta
	B = Baltimore
	F = Flint
	J = Janesville
	K = Kansas City
	L = Los Angeles
	N = Norwood
	O = Oakland
	S = St. Louis
	T = Tarrytown
	G = GM Truck

Rear Axle Identification (Chevrolet)
Example:  AF 2 12
AF = Type, series and assembly Plant designation.
2 = Month.
12 = Day of month

Axle numbers are stamped on the front or top of the Carrier.

Capacity (lbs) Type Ratio Series
3300 AF 3.90:1 31 and 32 Regular Production 
3300 AJ 3.70:1 31 and 32 with RPO 208 
3300 AR 4.11:1 3103-04-05-06-16 with RPO 690
5000 CA 5.14:1 34-35-3700 Regular Production
5000 CB 5.14:1 34-35-37-3800 with RPO's 295-299-462
5000 CC 4.57:1 3600 Regular Production with RPO's 314-316-318
5000 CD 4.57:1 3600 with RPO's 282-285
5000 CP 4.57:1 3603-04-09 with RPO 690
5000 CE 5.14:1 34-35-3700 with RPO's 314-316-318
7200 CF 5.14:1 3800 (RPO 34-35-3700) with RPO 205
7200 CQ 5.14:1 3803-04-05-09 with RPO 690
11000 CG 6.17:1 4000 Regular Production 
11000 CW 6.40/8.72 41-4400 with RPO 201
11000 CN 6.40/8.72 4000 with RPO 201 
15000 CM 7.20:1 50-60-70-80-10800 Regular Production with RPO's 291-292-451-452#-477
15000 CM 7.20:1 50-60 with RPO 201
15000 CL 6.40/8.72 70-80 (exc. 8800) with RPO 291-292-451-452#-477 
15000 CR 7.20:1 70-80-10800 
15000 CS 6.40/8.72 70-80 (exc. 8800) with RPO 201
30000 DA 7.20:1 84-85-8700 (TDM) RPO 682 
30000 DA 7.20:1 104-105-10700 (TDM) RPO 476 
  30000   DB 7.20:1 84-85-8700 (TDM) RPO 682 
  30000   DB 7.20:1 104-105-10700 (TDM) RPO 476 
  30000   DC 7.20:1 84-85-87-104-105-10700 (TDM) RPO 585 
  30000   DD 7.20:1 84-85-87-104-105-10700 (TDM) RPO 585

    # = RPO 452 not available on 5-6-7-8000

Rear Axle Identification (Eaton)
Specification Number is stamped on the Housing Arm.
Ratio and Serial Numbers are stamped on the Carrier.
 

Capacity (lbs) Spec Numbers Ratios Series and Capacity
16000 S-9701 7.17:1 5-6000
16000 S-9702 6.50/9.04:1 5-6000
16000 S-9899 7.17:1 7-8-10800 $
16000 S-9902 6.50/9.04:1 7-8000*
16000 S-9974 7.17/9.97:1 7-8000* (Hydraulic brake - cast wheel)
16000 S-9900 7.17:1 7-8000* (Full Air)
16000 S-9975 7.17/9.97:1 7-8000* (Hydraulic brake - disc wheel)
16000 S-9976 7.17/9.97:1 7-8000* (Air brake - cast wheel)
16000 S-9977 7.17/9.97:1 7-8000* (Air brake - disc wheel)
18000 S-9905 7.17:1 9-10000 $
18000 S-9906 7.67:1 9-10000 %
18000 S-9847 7.67:1 9-10000 % (Full Air)
18000 S-9726 7.17:1 9-10000 % (Full Air)
18000 S-9909 6.50/8.87:1 9-10000 % (10 Bolt)
18000 S-9727 6.50/8.87:1 9-10000 % (Full Air)
18000 S-9978 7.17/9.77:1 9-10000 % (Hydraulic brake - cast wheel)
18000 S-9972 7.17/9.77:1 9-10000 % (Hydraulic brake - disc wheel)
18000 S-9980 7.17/9.77:1 9-10000 % (Air brake - cast wheel)
18000 S-9981 7.17/9.77:1 9-10000 % (Air brake - disc wheel)
	* = Except 8802 & Tandems
	% = Except 10802 & Tandems
	$ = Except Tandems
	

Front Axle Identification (Eaton)

Capacity (lbs) I-Beam Height (average) Spec Series
S-9884 5000  
S-9885 6000 
S-9703 6200-6600
S-9893 7000-9000 
S-9734 7000-9000 Full Air 
S-9894 8000-10000
7000 S-9733 8000-10000 Full Air
	Note: Eaton Spec Numbers are stamped on the bottom LH side, the Serial Number 
	      is stamped on the bottom RH side of the I-beam. 

Engine Serial Numbers (Loadmaster Excluded)
Example: F 101 N
F = Flint; T = Tonawanda
1 = Year
01 = Day of the Month
N = Type and Series designation

 

Type Series Description
J 31-32-3800 Thriftmaster 235 with 3-speed (regular production)
JC 31-32-36-3800 Thriftmaster 235 with HD clutch (RPO 227)
JC 4000 Thriftmaster 235 with HD clutch
JF 31-32-36-38-41-4400 Thriftmaster 235 with Hydramatic (RPO 314 & 321)
K 34-35-3700 Thriftmaster 235 with 3-speed
KA 34-35-3700 Thriftmaster 235 with Hydramatic (RPO 321)
L 6000 Jobmaster 261
LC 6000 Jobmaster 261 with Powermatic Transmission (RPO 309)
LD 6000 Jobmaster 261 with AOHB (RPO 413)
LE 6000 Jobmaster 261 with Powermatic Transmission and AOHB (RPO 413 & 309)
M 31-32-36-38-4000 Taskmaster 283 (RPO 408)
MA 31-32-36-38-4000 Taskmaster 283 with Hydramatic (RPO 314-321 & 408)
MB 4000 Taskmaster 283 with HD clutch (RPO 227 & 408)
N 5000 Taskmaster 283
NA 5000 Taskmaster 283 with Powermatic Transmission (RPO 309)
NC 5000 Taskmaster 283 with AOHB (RPO 413)
ND 5000 Taskmaster 283 with Powermatic Transmission and AOHB (RPO 413 & 309)
P 6000 Taskmaster 283 (RPO 408)
PA 6000 Taskmaster 283 with Powermatic Transmission(RPO 309 & 408)
PC 6000 Taskmaster 283 with AOHB (RPO 413 & 408)
PD 6000 Taskmaster 283 with Powermatic Transmission and AOHB (RPO 413-408 & 309)
R 5000 Taskmaster 283 with 4BC (RPO 418)
R 7000 Taskmaster 283 with 4BC
RA 5000 Taskmaster 283 with 4BC and Powermatic Transmission (RPO 418 & 309)
RA 7000 Taskmaster 283 with 4BC and Powermatic Transmission
RC 5-7000 Taskmaster 283 with 4BC and Air Over Hydraulic Brakes (RPO 413 & 585)
RD 5-7000 Taskmaster 283 with 4BC, Powermatic Transmission & AOHB (RPO 413-585 & 309)
S 6000 Taskmaster 283 with 4BC (RPO 418)
S 8000 Taskmaster 283 with 4BC
SA 6000 Taskmaster 283 with 4BC and Powermatic Transmission (RPO 418 & 309)
SA 8000 Taskmaster 283 with 4BC and Powermatic Transmission
SC 6-8000 Taskmaster 283 with Powermatic Transmission & AOHB (RPO 413-585 & 309)
SD 6-8000 Taskmaster 283 with 4BC and Air Over Hydraulic Brakes (RPO 413 & 585)
T 7000 Workmaster 348 with RPO 385
T 9000 Workmaster 348
TA 9000 Workmaster 348 with Powermatic Transmission RPO 309
U 10000 Workmaster 348 (exc. 10800)
UA 10000 Workmaster 348 with Powermatic Transmission RPO 309 (exc. 10800)

          AOHB = Air Over Hydraulic Brakes 

Loadmaster Engine Serial Numbers (322 cu. in. V8, Buick)
Example: CA2 - 001234
CA2 = Source and Designation
001234 = Unit Number starting with 001001

  Type Series Description
       
  CS2 10800 Loadmaster 322 V8
  CA2 10800 Loadmaster 322 V8 with Powermatic Transmission

Transmission Identification

Three Speed Conventional and Overdrive
Example: M 2 28
M = Muncie; S = Saginaw
2 = Month
28 = Day of Month

Four Speed Syncro-Mesh
Example: T 2 28
T = Toledo
2 = Month
28 = Day of Month

 

Four Speed Automatic (Hydramatic)
Series 31-3200 without oil cooler (L-6) - Pink Plate Color
Series 3600 without oil cooler (L-6) - Yellow Plate Color
Series 34-35-36-38-4000 with oil cooler (L-6) - White Plate Color
Series 38-4000 with V8 & oil cooler - Light Green Plate Color
Series 3800 without oil cooler & V8 - Dark Brown Plate Color

 

Three Speed Heavy Duty
Example: W B 28 2
W = Borg Warner
B = Month (February)
28 = Day of Month
2 = Shift

Five Speed Syncro-Mesh (New Process)
Example: 2 28 7
2 = Month.
28 = Day of Month
7 = Year

Five Speed Syncro-Mesh HD (Spicer)
Example: D B 28 7
D = Manufacture (Dana Corp)
B = Month (February)
28 = Day of Month
7 = Year.

 

Six Speed Automatic (Powermatic)
Series 6000 with 261 cu in engine = Red Plate Color
Series 50-60-70-8000 with V8 engine = Yellow Plate Color
Series 90-10000 = Green Plate Color

 

 

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