The Complete Chevrolet 3100 Evolution: 1947–1959

The 3100 is the half-ton Chevrolet pickup, and the number is just the model code: 3100 is the half-ton, 3600 the three-quarter, 3800 the one-ton. For a stretch of postwar America the 3100 was the truck you saw on every farm and job site, and it has aged into one of the most wanted classic pickups there is. Two distinct designs wear the 3100 badge, the rounded Advance Design that launched in 1947 and the squarer Task Force that replaced it in 1955, and they drive and value differently. The rounded ones have the nostalgia, the Task Force trucks brought the V8. Here is how it ran, and what to look at before you buy one.

Chevrolet 3100 β€” Generation by Generation

1947–1955
Advance Design
"The rounded postwar classic"
The Advance Design trucks were Chevrolet's first all-new postwar design, with a taller cab, more glass, and a roomier interior than the prewar trucks. Buyers could get a five-window cab for better visibility, and the Stovebolt inline-six did the work. Detail changes came through the run: a one-piece windshield arrived in 1954 along with a restyled grille. These are simple, honest trucks, and the early-Fifties half-tons are the heart of the classic Chevy truck hobby.

Key Changes

  • β†’ First all-new postwar Chevrolet truck
  • β†’ Taller cab with more glass and room
  • β†’ Optional five-window cab
  • β†’ 216 then 235 Stovebolt inline-six
  • β†’ 1954 one-piece windshield and new grille

Specs

Engines 216/235 Stovebolt inline-six
Cab Three- or five-window
Transmission 3- and 4-speed manual
Most wanted Short-bed five-window half-ton
1955–1959
Task Force
"The V8 arrives, and the Cameo"
The Task Force redesign of 1955 modernized the truck with squarer styling, a wraparound windshield, and, for the first time, the new 265 small-block V8. The Cameo Carrier brought slab-sided fiberglass bed panels and a car-like finish that previewed the Fleetside look, which became a regular option in 1958. Quad headlights and a fresh grille arrived for 1958 as well. These trucks bridge the gap between the old rounded look and the modern era, and the Cameo is the standout collector piece.

Key Changes

  • β†’ Squarer styling and wraparound windshield
  • β†’ First small-block V8 (265) in a Chevy truck
  • β†’ Cameo Carrier with fiberglass bedsides
  • β†’ Fleetside option from 1958
  • β†’ Quad headlights and new grille for 1958

Specs

Engines 235 I6, 265/283 V8
Bed styles Stepside, Cameo, Fleetside
Glass Wraparound windshield
Standout Cameo Carrier

Legacy & Impact

The Advance Design trucks are the ones most people picture, and a clean five-window from the early Fifties brings strong money, especially short-bed half-tons. The Task Force trucks are the ones to buy if you want the small-block V8 and a slightly more modern truck, and the Cameo is the blue-chip of the bunch. Whatever you chase, these trucks rust in the cab corners, the floors, the rockers, and the bed wood area, and the frames on anything that actually worked will show it. Get under it with a light. A solid cab and frame are worth more than fresh paint every time.

Frequently Asked Questions

The 3100 is Chevrolet's model code for the half-ton pickup. The 3600 designates the three-quarter-ton and the 3800 the one-ton. The codes were used through the Advance Design and Task Force eras from 1947 to 1959.
Advance Design trucks, built 1947 to 1955, have rounded postwar styling and inline-six power. The Task Force trucks that followed in 1955 brought squarer styling, a wraparound windshield, and the new small-block V8 option.
The Cameo Carrier, built 1955 to 1958, was a premium Task Force pickup with smooth fiberglass bedside panels that hid the rear fenders, previewing the slab-sided Fleetside look. It was expensive and sold in small numbers, which makes it highly collectible today.
πŸ“–
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Robert Halloran
Fredericksburg, Texas

Texas-based classic truck enthusiast with decades of experience buying, restoring, and writing about American pickups from the 1940s through the 1980s.