1975 - 1977 LT Truck VIN System

Location: On left front door lock pillar

First Digit: Series

A = 4 Wheel Drive (Trail Duster / RamCharger)
B = 2 Wheel Drive / Compact - Van
C = 2 Wheel Drive / Commercial Van (CB300)
D = 2 Wheel Drive / Conventional Cab
E = 2 Wheel Drive / (Trail Duster / RamCharger)
P = 2 Wheel Drive / Forward Control
W = 4 Wheel Drive / Conventional Cab
X = 4 Wheel Drive / Military Power Wagon

Second Digit: Model

1 = 100 Series 1/2 Ton
2 = 200 Series 3/4 Ton
3 = 300 Series 1 Ton

A = 100 Series Van
B = 200 Series Van
C = 300 Series Van

Third Digit: Body Type

0 = Forward Control and Motor Home Chassis, CB 300, Sport Utility
1 = Conv Cab & Chassis, Compact Van (Tradesman)
2 = Crew Cab & Chassis, Low Line Van (Sportsman, Voyager)
3 = Conv Cab W/ Utiline, Low Line Wagon (Custom Sportsman)
4 = Conv Cab W/ Sweptline, Hi Line Wagon (Royal Sportsman)
5 = Crew Cab W/ Utiline, Ext. Body MaxiVan (Tradesman)
6 = Crew Cab W/ Sweptline, Ext. Body MaxiWagon (Sportsman)
7 = Club Cab W/ Sweptline
8 = Club Cab

Fourth Digit: GVW Index

A = 6,000# or less
B = 6,001# to 10,000#
C = 10,001# to 14,000#
D = 14,001# to 16,000#
E = 16,001# to 19,500#
F = 19,501# to 26,000#
G = 26,001# to 33,000#
H = 33,001# and up
X = Non Certified Export

Fifth Digit: Engine Type

A = 440-3 V8*
B = 225-1 6 Cyl
C = 225-2 6 Cyl
D = 440-1 V8
E = 318-1 V8
F = 360 2bbl V8
G = 318-3 V8*
J = 400-1 V8
K = 360-3 2bbl V8*
L = 361-3 V8*
M = 361-4 V8*
P = 413-2 V8*
R = 413-3 V8*
S = 360HP 4V V8 W2
T = 360 4bbl V8
X = SPCL 6 Cyl Gas
Y = SPCL V8 Gas
Z = Special Diesel *

* = HD Truck

Sixth Digit: Model Year

5 = 1975 L Series
6 = 1976 M Series
7 = 1977 7 Series

Seventh Digit: Assembly Plant

J = Tecumseh Road Truck (Canada)
K = Pillette Road Truck
N = Burt Road, MI
S = Warren Truck #1
T = Warren Truck #2
V = Warren Truck Compact #3
X = Missouri Truck

Last 6 Digits: Assembly Plant sequence numbers

All plants begin production with 000001 for all models

i was woundering how much you know about a 1977 ramcharger 4by4 on my front end it does not have any hubs is it all time four wheel drive.
it is a automatic on the tranfer shifter it has low,low lock,high,high lock
but it don't act like it comes out of 4 wheel drive.
my email is adcock_vinyl@bellsouth.net