TZE VIN Decoding

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A line of aerodynamic motorhomes moves toward the camera down a factory assembly line.
Motorhomes advance along the GMC assembly line in the mid-1970s. Pontiac, Michigan.

VIN Decoding

Example TZE165V101234
T Manufactured by General Motors
Z 3 Axle Motorhome
E Gasoline Engine
1 Interior Code

"1" - GM Interior from 1975 to 1978

"0" - GM Interior from 1973 to 1974

"2" - Twin Bed Interior from 1976 to 1977

"3" - Transmode(sold without interior or windows)

6 Model

"6" - Model 260(26 feet long)

"3" - Model 230(23 feet long)

5 Model Year (1975)
V Manufacturing Plant Code

"V" - Pontiac, Michigan

1 First Digit of Production Series Number

All production started with "1"

0 Since total production was less than 13,000, all GMC Motorhomes had a zero in this position
1234 Production Sequence Number (the 1,234th coach produced for that model year)

Interior/Exterior Finish Code

A line of motorhomes backed up to a raised platform, without their rear panels and with a ramp set into the interior for each coach.
GMC Motorhomes, with rear caps removed, wait in a line to have their interiors fitted out.
If the motorhome was furnished with a GMC interior, the Service Parts Identification Label in the glovebox identifies the interior finish model.
641 Kingsley
681 Glenbrook
683 Edgemont
685 Coca Cola
690 Sequoia
692 Painted Desert
693 Glacier
695 Canyon Lands
696 Eleganza I
698 Palm Beach

Source: What's in a Number? by Dave Greenberg, March 1997