Chevrolet 3100 Trucks buyer's guide

Overview

This guide covers Chevrolet's post-war light trucks before the C/K era — the Advance Design pickups of 1947–55 (the 3100 half-tons), the Task Force trucks that followed (1955–59, including the 3100 and the cameo-carrier Cameo), and the final Apache-badged years around 1960–61. These are the trucks that built the classic Chevy truck hobby: simple ladder frames, six-cylinder engines (with the small-block V8 arriving in 1955), and styling that sits at the centre of American nostalgia — no classic-truck gathering exists without a row of Advance Design 3100s. The market divides into honest working survivors, restored stock trucks, and the huge restomod scene built on the same shapes; this guide speaks to buying the truck itself, whatever you plan for it.

Generations and year breaks

1947–1955 — Advance Design (3100)

• The first all-new post-war truck design: rounded cab, integrated headlights, the five-bar grille (1947–53) and the one-piece windshield from 1949.
• The 1954 refresh brought the single-bar "bullnose" grille, one-piece curved windshield standardised and the Hydra-Matic automatic option.
• Five-window cabs (the Deluxe cab with corner windows) are the collectible variant; the standard three-window is the working truck.
• Engines: the 216 "stovebolt" six (to 1953) and the 235 from 1954 — splash-oiled early engines versus the full-pressure 235 is a real mechanical divide.

1955–1959 — Task Force (3100/3200, Apache)

• All-new styling with the wraparound windshield, the egg-crate grille and (from 1958) quad headlights and Apache badging.
• The Cameo (1955–58): the fibreglass-bedded luxury pickup with car colours and a car brief — the collector flagship of the era, with the big-window cab.
• The small-block V8 (265, then 283) joined the 235 six; the 1958–59 trucks are the biggest and most styled of the line.

1960–1961 — the torsion-bar transition

• The new C/K-generation trucks arrived for 1960 (covered in the C/K guide); the 3100/Apache naming faded as the new series took over, and this guide's span closes as the torsion-bar trucks take the stage.

Engines and options that matter

• 216/235 sixes — the Advance Design default: the 235 (especially the full-pressure 1954-on version) is the usable engine; the splash-oil 216 is a slower, older technology that many trucks have already exchanged for a 235 or a V8.
• 265/283 V8 (Task Force) — the factory V8 trucks are worth a premium and verified by the VIN prefix (a V in the serial for V8 trucks in the Task Force era).
• Transmissions: three-speed column shift standard, four-speed "granny gear" boxes on working trucks, Hydra-Matic rare and desirable on Advance Design cars.
• The five-window cab, the Deluxe trim (stainless window surrounds, two-tone paint), and the Cameo's fibreglass bed panels are the value features; a Cameo missing its correct bed is a dressed standard truck.

What to check before buying

• Cab rust: the Advance Design cab rots at the cowl sides (the famous "cow catcher" vents area), the cab corners, the floor at the toe-board seam and around the windshield. Task Force cabs add the eyebrow area above the windshield and the step wells. Panels are reproduced; skilled fitting is the cost.
• Frames: check for cracks at the steering box, bent rails from farm work, and (Task Force Cameo) the bed's fibreglass for crazing and old repairs.
• Engine identity: determine which six is actually fitted (casting numbers on the block by the distributor) — a 235 wearing 216 clothes is a bonus, a splash-oiler sold as a pressure engine is a dispute. V8 claims in 1955-on trucks check against the serial's V prefix.
• Running gear honesty: kingpins, steering boxes and torque-tube drivelines (pre-1955) are the wear items; an open-driveline conversion is common and functional, but price it as a modification.
• Numbers: the serial plate is on the driver's door jamb (Advance Design) and decodes plant and sequence; engine numbers are stamped on the pad behind the distributor on sixes.
• Parts: outstanding support — this is one of the best-served classic vehicles anywhere, with reproduction sheet metal, glass and trim. Mechanical parts for the sixes are plentiful; Hydra-Matic specialists are the scarce resource.