I promised this to Firebird 86, but in reality, I'm giving this tip to everybody. It's a way to identify the oddball model numbers for the Chevrolet Trucks mainly from 1947-1959.

A)Half-Truck Cars:
1)1170:1958-1960 Sedan Delivery, 6 cylinder
2)1270:1958-1960 Sedan Delivery, V-8
3)1180:El Camino, 6 Cylinder
4)1280:El Camino, V-8
5)1508:1949-1957 Sedan Delivery
6)1514:1940-1946 Coupe Pickup.


B)Half Ton Series:
1)3102:Half Ton Cowl & Chassis.
2)3103:Half Ton Cab & Chassis.
3)3104:Half Ton Pickup.
4)3105:Half Ton Panel Delivery.
5)3106:Half Ton Suburban with Panel Doors.
6)3107:1947-1954 Half Ton Canopy Express.
7)3112:1940-1960 Half Ton Cowl, Windshield & Chassis.
8)3116:Half Ton Suburban with Tailgate.
9)3122:1940-1948 Half Ton Stripped Cowl & Chassis.
10)3124:Cameo Carrier.
11)3132:1940-1948 Half Ton Stripped Cowl, Windshield & Chassis.
12)3134:Half Ton Short Wheelbase(114") and Medium Wheelbase(123.5")Fleetside.
13)3153:1957-1960 Half Ton Short Wheelbase(114")Four-Wheel-Drive Pickup.
14)3154:1957-1960 Half Ton Four-Wheel-Drive Panel.
15)3155:1957-1960 Half Ton Four-Wheel-Drive Fleetside.
16)3156:1957-1960 Half Ton Four-Wheel-Drive Suburban with Panel Doors.
17)3166:1957-1960 Half Ton Four-Wheel-Drive Suburban with Tailgate.


C)3200 Half Ton Long Wheelbase Series:
1)3203:Half Ton Long Wheelbase Cab & Chassis.
2)3204:Half Ton Long Wheelbase Pickup.
3)3234:Half Ton Long Wheelbase Fleetside Pickup.


D)3400/3500/3600/3700 Three-Quarter Ton Series:
1)3400:Three-Quarter Ton Short Wheelbase(116", 1940?-1955. 114", 1955-1959).
2)3434:1958-1959 Three-Quarter Ton Short Wheelbase Fleetside
3)3442:Three-Quarter Ton Dubl-Duti Chassis, Short Wheelbase(104").
4)3445:Three-Quarter Ton Dubl-Duti Walk-In Delivery, Short Wheelbase(104").
5)3500:Three-Quarter Ton Medium Wheelbase(125.5", 1945-1955. 123.25", 1955-1959).
6)3534:1958-1959 Three-Quarter Ton Medium Wheelbase(123.5")Fleetside.
7)3542:Three-Quarter Ton Dubl-Duti Chassis, Medium Wheelbase(125").
8)3545:Three-Quarter Ton Dubl-Duti Walk-In Delivery, Medium Wheelbase(125").
9)3600:Three-Quarter Ton Long Wheelbase(134.5", 1940-1946. 137" 1947-1955. 135" 1955-1959).
10)3602:Three-Quarter Ton Cowl & Chassis.
11)3603:Three-Quarter Ton Cab & Chassis.
12)3604:Three-Quarter Ton Pickup.
13)3605:Three-Quarter Ton Panel Delivery.
14)3608:Three-Quarter Ton Platform.
15)3609:Three-Quarter Ton Stake.
16)3612:Three-Quarter Ton Cowl, Windshield & Chasiss.
17)3622:1940-1948 Three-Quarter Ton Stripped Cowl & Chassis.
18)3632:1940-1948 Three-Quarter Ton Stripped Cowl, Windshield & Chassis.
19)3653:1957-1960 Three-Quarter Ton Four-Wheel-Drive Cab & Chassis.
20)3654:1957-1960 Three-Quarter Ton Four-Wheel-Drive Pickup.
21)3659:1957-1960 Three-Quarter Ton Four-Wheel-Drive Stake.
22)3684:Three-Quarter Ton Four-Wheel-Drive Fleetside.
23)3700:Three-Quarter Ton Forward Control Delivery.
24)3742:Three-Quarter Ton Dubl-Duti Chassis, Long Wheelbase(137").
25)3745:Three-Quarter Ton Dubl-Duti Walk-In Delivery, Long Wheelbase(137").


E)3800/3900 One Ton Series:
1)3800:One Ton.
2)3802:One Ton Cowl & Chassis.
3)3803:One Ton Cab & Chassis.
4)3805:One Ton Panel Delivery.
5)3807:One Ton Canopy Express.
6)3808:One Ton Platform.
7)3809:One Ton Stake.
8)3812:One Ton Cowl, Windshield & Chassis.
9)3853:1957-1960 Three-Quarter Ton Four-Wheel-Drive Cab & Chassis.
10)3854:1957-1960 Three-Quarter Ton Four-Wheel-Drive Pickup.
11)3859:1957-1960 Three-Quarter Ton Four-Wheel-Drive Stake.
12)3900:One Ton Forward Control Delivery.


F)Medium-Duty Trucks:
1)4100:One-and-a-Half Ton Short Wheelbase.
2)4400:One-and-a-Half Ton Long Wheelbase.
3)5100:Cab Over Engine Short Wheelbase(110")
4)5400:Cab Over Engine Medium Wheelbase(134")
5)5700:Cab Over Engine Long Wheelbase(158")
6)6100:Two Ton Short Wheelbase.
7)6400:Two Ton Long Wheelbase
8)6700:School Bus Chassis.

Is that a long list or what?