Chevrolet Truck (1) The first digit indicates the model year (2) The second digit indicates the body style (3) The third & fourth digits indicate the series (4) The fifth & sixth digits indicate the model (5) The seventh digit indicates whether 4, 6 or 8 cylinder (6) The remaining numbers indicate the particular truck (7) The last letter indicates the GVW class	GMC Truck (1) The first digit indicates the model year (2) The second digit indicates the body style (3) The third digit indicates GMC Truck (4) The fourth & fifth digits indicate the series (5) The sixth & seventh digits indicate the model (6) The eighth digit indicates whether 4, 6 or 8 cylinder (7) The remaining numbers indicate the particular truck (8) The last letter indicates the GVW class
Body Style C - Conventional Cab P - Step Van / Package Delivery L - Short Cab / Low Cab Forward K - Four Wheel Drive G - Van (lightweight)	GVW Class A - 6,000 & 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 & over

Model / Series Data
 

1960 - 1961
Chevrolet	GMC	Body	Wheelbase	GVW
C1402	C91402	Flat Face Cowl	115 inches	5200 GVW
C1403	C91403	Cab & Chassis
C1404	C91404	Stepside Pickup
C1405	C91405	Panel
C1434	C91434	Fleetside Pickup
C1503	C91503	Cab & Chassis	127 inches	5000 GVW
C1504	C91504	Stepside Pickup
C1534	C91534	Fleetside Pickup
C2502	C92502	Flat Face Cowl	127 inches	7500 GVW
C2503	C92503	Cab & Chassis
C2504	C92504	Stepside Pickup
C2534	C92534	Fleetside Pickup
1962
Chevrolet	GMC	Body	Wheelbase	GVW
C1402	C91402	Flat Face Cowl	115 inches	5200 GVW
C1403	C91403	Cab & Chassis
C1404	C91404	Stepside Pickup
C1405	C91405	Panel
C1434	C91434	Fleetside Pickup
C1503	C91503	Cab & Chassis	127 inches	5200 GVW
C1504	C91504	Stepside Pickup
C1534	C91534	Fleetside Pickup
P1342	P91342	Forward Control Chassis	102 inches	5400 GVW
P1345	P91345	Step Van Panel
C2502	C92502	Flat Face Cowl	127 inches	7500 GVW
C2503	C92503	Cab & Chassis
C2504	C92504	Stepside Pickup
C2534	C92534	Fleetside Pickup
P2342	P92342	Forward Control Chassis	104 inches	10000 GVW
P2345	P92345	Step Van Panel
P2542	P92542	Forward Control Chassis	125 inches
P2545	P92545	Step Van Panel
P2642	P92642	Forward Control Chassis	137 inches
P2645	P92645	Step Van Panel
C3602	C93602	Flat Face Cowl	133 inches	10000 GVW
C3603	C93603	Cab & Chassis
C3604	C93604	Stepside Pickup
C3605	C93605	Panel
C4102	C94102	Flat Face Cowl	133 inches	14000 GVW
C4103	C94103	Cab & Chassis
C4302	C94302	Flat Face Cowl	157 inches
C4303	C94303	Cab & Chassis
1963
Chevrolet	GMC	Body	Wheelbase	GVW
C1402	C91402	Flat Face Cowl	115 inches	5000 GVW
C1403	C91403	Cab & Chassis
C1404	C91404	Stepside Pickup
C1405	C91405	Panel
C1434	C91434	Fleetside Pickup
K1403	K91403	Cab & Chassis	115 inches	5600 GVW
K1404	K91404	Stepside Pickup
K1405	K91405	Panel
K1434	K91434	Fleetside Pickup
C1503	C91503	Cab & Chassis	127 inches	5000 GVW
C1504	C91504	Stepside Pickup
C1534	C91534	Fleetside Pickup
K1503	K91503	Cab & Chassis	127 inches	5600 GVW
K1504	K91504	Stepside Pickup
K1534	K91534	Fleetside Pickup
P1342	P91342	Forward Control Chassis	102 inches	5400 GVW
P1345	P91345	Step Van Panel
C2502	C92502	Flat Face Cowl	127 inches	7500 GVW
C2503	C92503	Cab & Chassis
C2504	C92504	Stepside Pickup
C2534	C92534	Fleetside Pickup
K2503	K92503	Cab & Chassis	127 inches	7600 GVW
K2504	K92504	Stepside Pickup
K2534	K92534	Fleetside Pickup
P2342	P92342	Forward Control Chassis	104 inches	8500 GVW
P2345	P92345	Step Van Panel
P2542	P92542	Forward Control Chassis	125 inches
P2545	P92545	Step Van Panel
P2642	P92642	Forward Control Chassis	137 inches
P2645	P92645	Step Van Panel
C3602	C93602	Flat Face Cowl	133 inches	10000 GVW
C3603	C93603	Cab & Chassis
C3604	C93604	Stepside Pickup		7800 GVW
C3605	C93605	Panel
C3803	C93803	Cab & Chassis	157 inches	10000 GVW
1964
Chevrolet	GMC	Body	Wheelbase	GVW
G1205	G91205	Panel Body	90 inches	4850 GVW
C1402	C91402	Flat Face Cowl	115 inches	5000 GVW
C1403	C91403	Cab & Chassis
C1404	C91404	Stepside Pickup
C1405	C91405	Panel
C1434	C91434	Fleetside Pickup
K1403	K91403	Cab & Chassis	115 inches	5600 GVW
K1404	K91404	Stepside Pickup
K1405	K91405	Panel
K1434	K91434	Fleetside Pickup
C1503	C91503	Cab & Chassis	127 inches	5000 GVW
C1504	C91504	Stepside Pickup
C1534	C91534	Fleetside Pickup
K1503	K91503	Cab & Chassis	127 inches	5600 GVW
K1504	K91504	Stepside Pickup
K1534	K91534	Fleetside Pickup
P1342	P91342	Forward Control Chassis	102 inches	5400 GVW
P1345	P91345	Step Van Panel
C2502	C92502	Flat Face Cowl	127 inches	7500 GVW
C2503	C92503	Cab & Chassis
C2504	C92504	Stepside Pickup
C2534	C92534	Fleetside Pickup
K2503	K92503	Cab & Chassis	127 inches	7600 GVW
K2504	K92504	Stepside Pickup
K2534	K92534	Fleetside Pickup
P2342	P92342	Forward Control Chassis	104 inches	7000 GVW
P2345	P92345	Step Van Panel
P2535	P92585	Forward Control Panel Body	125 inches
P2542	P92542	Forward Control Chassis
P2545	P92545	Step Van Panel
P2635	P92685	Forward Control Panel Body	137 inches
P2642	P92642	Forward Control Chassis
P2645	P92645	Step Van Panel
C3602	C93602	Flat Face Cowl	133 inches	10000 GVW
C3603	C93603	Cab & Chassis
C3604	C93604	Stepside Pickup
C3605	C93605	Panel
C3803	C93803	Cab & Chassis	157 inches
1965
Chevrolet	GMC	Body	Wheelbase	GVW
G1205	G91275	Panel	90 inches	5000 GVW
G1206	G91276	Suburban (Std.)
G1226	G91286	Suburban (Custom)
C1402	C91402	Flat Face Cowl	115 inches	5000 GVW
C1403	C91403	Cab & Chassis
C1404	C91404	Stepside Pickup
C1405	C91405	Panel
C1406	C91406	Suburban (Panel Doors)
C1412	C91412	W/S Cowl
C1416	C91416	Suburban (End Gate)
C1434	C91434	Fleetside Pickup
K1403	K91403	Cab & Chassis	115 inches	5600 GVW
K1404	K91404	Stepside Pickup
K1405	K91405	Panel
K1406	K91406	Suburban (Panel Doors)
K1416	K91416	Suburban (End Gate)
K1434	K91434	Fleetside Pickup
C1503	C91503	Cab & Chassis	127 inches	5000 GVW
C1504	C91504	Stepside Pickup
C1534	C91534	Fleetside Pickup
K1503	K91503	Cab & Chassis	127 inches	5600 GVW
K1504	K91504	Stepside Pickup
K1534	K91534	Fleetside Pickup
P1342	P91372	Forward Control Chassis	102 inches	5400 GVW
P1345	P91375	Step Van Panel
C2502	C92502	Flat Face Cowl	127 inches	7500 GVW
C2503	C92503	Cab & Chassis
C2504	C92504	Stepside Pickup
C2512	C92512	W/S Cowl
C2534	C92534	Fleetside Pickup
K2503	K92503	Cab & Chassis	127 inches	7600 GVW
K2504	K92504	Stepside Pickup
K2534	K92534	Fleetside Pickup
P2342	P92372	Forward Control Chassis	104 inches	7000 GVW
P2345	P92375	Step Van Panel
P2535	P92585	Step Van Panel (Sq. Front)	125 inches
P2542	P92572	Forward Control Chassis
P2545	P92575	Step Van Panel
P2635	P92685	Step Van Panel (Sq. Front)	137 inches
P2642	P92672	Forward Control Chassis
P2645	P92675	Step Van Panel
1966
Chevrolet	GMC	Body	Wheelbase	GVW
G1205	G91275	Panel	90 inches	5000 GVW
G1206	G91276	Suburban (Std.)
G1226	G91286	Suburban (Custom)
C1402	C91402	Flat Face Cowl	115 inches	5000 GVW
C1403	C91403	Cab & Chassis
C1404	C91404	Stepside Pickup
C1405	C91405	Panel
C1406	C91406	Suburban (Panel Doors)
C1416	C91416	Suburban (End Gate)
C1434	C91434	Fleetside Pickup
C1503	C91503	Cab & Chassis	127 inches
C1504	C91504	Stepside Pickup
C1534	C91534	Fleetside Pickup
K1403	K91403	Cab & Chassis	115 inches	5600 GVW
K1404	K91404	Stepside Pickup
K1405	K91405	Panel
K1406	K91406	Suburban (Panel Doors)
K1416	K91416	Suburban (End Gate)
K1434	K91434	Fleetside Pickup
K1503	K91503	Cab & Chassis	127 inches
K1504	K91504	Stepside Pickup
K1534	K91534	Fleetside Pickup
P1342	P91372	Forward Control Chassis	102 inches	5400 GVW
P1345	P91375	Step Van Panel (Sq. Front)
C2502	C92502	Flat Face Cowl	127 inches	7500 GVW
C2503	C92503	Cab & Chassis
C2504	C92504	Stepside Pickup
C2534	C92534	Fleetside Pickup
K2503	K92503	Cab & Chassis	127 inches	7600 GVW
K2504	K92504	Stepside Pickup
K2534	K92534	Fleetside Pickup
P2342	P92372	Forward Control Chassis	104 inches	7000 GVW
P2345	P92375	Step Van Panel
P2535	P92585	Step Van Panel (Sq. Front)	125 inches
P2542	P92572	Forward Control Chassis
P2545	P92575	Step Van Panel
P2635	P92685	Step Van Panel (Sq. Front)	137 inches
P2642	P92672	Forward Control Chassis
P2645	P92675	Step Van Panel
C3602	C93602	Flat Face Cowl	133 inches	10000 GVW
C3603	C93603	Cab & Chassis
C3604	C93604	Stepside Pickup
C3605	C93605	Panel
C3803	C93803	Cab & Chassis	157 inches

 
 

Engines Available
1960-62
235 -6 Cyl. (std.)
283 - 8 Cyl (opt.)
1963
230 - 6 Cyl (std.)
292 - 6 Cyl (opt.)
283 - 8 Cyl (opt.)
153 - 4 Cyl (P1342/P91342)
1964
153 - 4 Cyl (Std. G1205/G91205 & P1342/P91342)
194 - 6 Cyl (Opt. G1205/G91205)
230 - 6 Cyl (Std.)
292 - 6 Cyl (Opt.)
283 - 8 Cyl (Opt.)
1965
153 - 4 Cyl (Std. G1205/G91275;G1206/G91276;G1226/G91286;P1342/P91372;P1345/P91375)
230 - 6 Cyl (Opt. G1205/G91275;G1206/G91276;G1226/G91286;P1342/P91372;P1345/P91375)
230 - 6 Cyl (Std.)
292 - 6 Cyl (Opt.)
283 - 8 Cyl (Opt.)
1966
194 - 6 Cyl (Std. G1205/G91275;G1206/G91276;G1226/G91286;P1342/P91372;P1335/P91385)
230 - 6 Cyl (Opt. G1205/G91275;G1206/G91276;G1226/G91286;P1342/P91372;P1335/P91385)
250 - 6 Cyl (Std.)
292 - 6 Cyl (Opt.)
283 - 8 Cyl (Opt.)
327 - 8 Cyl (Opt.)

Option engines were not available on all models