SOLD on Jun 15, 2026

Elite Dealer

1987 Chevrolet C/K Series

Michigan

$38,995

Vehicle Details

Make

Chevrolet

Model

C/K Series

Year

1987

Mileage

89,810 miles

Exterior Color

Green

Transmission

Automatic

Drivetrain

4WD

Fuel Type

Diesel

Engine

Blueprint 383 cu in V8 438 HP

Condition

Excellent

Description

1987 Chevrolet 1-Ton Military 4x4 – Square Body Beast Blueprint 383 V8 | 438 HP | Turbo 400 | 4.56 Gears | 89K Miles Up for sale is an exceptional 1987 Chevrolet Square Body 1-Ton Military 4x4 truck, upgraded and built to perform. Sitting on a rugged military chassis and now powered by a Blueprint 383 stroker V8 pumping out 438 horsepower, this beast is backed by a Turbo 400 Monster transmission and 4.56 gears—perfect for heavy-duty use or off-road dominance. Key Specs & Features: Engine: Blueprint 383 cu in V8 – 438 HP Transmission: Turbo 400 Monster automatic Drivetrain: 4x4 with 4.56 gears Mileage: 89,810 miles Tires: Brand new 285/75R16 10-ply tires Color: Military Green Condition: Excellent Title: Clean This is a true military-grade rig with serious performance and durability upgrades.

Whether you're building a show truck, workhorse, or extreme off-roader, this Square Body delivers. Please Note The Following **Vehicle Location is at our clients home and Not In Cadillac, Michigan. **We do have a showroom with about 25 cars that is by appointment only **Please Call First and talk to one of our reps at 231-468-2809 EXT 1 **

Classic Chevrolet C/K Series Buyer's Guide (1960–1987)

Full guide

Robert Halloran

Classic Trucks

1960–1987

~4 min read

Updated Apr 2026

The C/K naming system covers three decades of Chevrolet trucks — the 1960–1966 originals, the iconic 1967–1972 Action Line, and the beloved Square Body era. Here's how the generations differ and what to look for in each.

This guide covers

✓ 12-point inspection checklist

✓ Common issues & what to avoid

✓ In-person inspection guide

✓ Market pricing by year & condition

✓ 5 FAQs answered

✓ History & fun facts

Read the Full C/K Series Buyer's Guide

Chevrolet C/K Series Market Overview

Based on 60 Chevrolet C/K Series listings currently on ClassicCarsArena.com

Listed Now

$18,493

Avg. Asking Price

1960–1994

Year Range

Price Position on Our Site — Above Average

This car: $38,995

Low: $4,495 High: $74,995

Transmission Distribution

Automatic 45% ◄

Manual 18%

Condition Distribution

Excellent 7% ◄

Good 3%

Fair 12%

Poor 2%

Data from ClassicCarsArena.com listings Browse all 60 listings →

Classic Chevrolet C/K Series Buyer's Guide (1960–1987)

When Chevrolet reorganized its truck lineup in 1960, the letters C and K became the foundation of an American institution. C for conventional two-wheel drive, K for four-wheel drive — simple, clear, and enduring. For twenty-seven years, the C/K series covered everything from half-ton haulers to one-ton workhorses across three distinct styling generations. If you're looking at a Chevrolet truck from this era and it isn't specifically labeled C10 or K10 in the listing, the buying principles here apply across the whole family.

What to Check Before Buying

✓

Frame rail inspection — Probe full length of both rails with screwdriver — kick-ups and mid-section

✓

Cab corners — Tap from outside; inspect lower door channel from inside for water damage

✓

Inner cab structure — Inspect behind outer cab corner for deeper rust

✓

Bed floor condition — Assess original steel, replacement wood, or aftermarket panels

✓

VIN decode — Decode VIN before inspection to verify claimed engine, transmission, trim

✓

4WD engagement (K models) — Test 2H, 4H, 4L — clean engagement with no grinding

✓

Engine cold start — Listen for valve train or bearing noise; check oil condition

✓

Transmission function — Smooth engagement in all ranges, no delayed Drive from cold

✓

Rocker panels and door bottoms — Check lower door edges and rockers for rust

✓

Firewall integrity — Check firewall for front collision evidence

✓

Cab mounts (Square Body) — Check lower rear cab panels above cab mounts for rust — common on '73–'87

✓

Axle seals (K models) — Inspect front knuckle seals and differential fill levels

Common Issues

Cab corner rust is universal across all C/K generations — the drainage channel routes water directly into the corner structure. Reproduction corners exist but inner structure must be assessed. Frame rust at kick-up sections is the structural concern. The 350 and 454 V8s are robust with enormous aftermarket support but high-mileage engines commonly need valve train work. On K-series trucks the Dana 44 front axle develops knuckle seal leaks and limited-slip wear. The TH350 and TH400 automatics are generally durable — delayed engagement from cold indicates a seal issue. Square Body trucks (1973–1987) rust at the lower rear cab panels above the cab mounts.

What to Look For

Frame rails front-to-back — probe with screwdriver at kick-up sections and mid-frame. Cab corners — tap from outside and inspect inside lower door channel; reproduction panels available. Bed floor — assess original steel vs. replaced wood or panels. Inner cab structure behind outer corners — more expensive rust damage often hidden. Engine bay firewall for accident damage. Decode VIN before visiting to verify claimed trim level and engine. Check transfer case engagement on K (4WD) models. Inspect driver's side frame behind cab on Square Body for bracket-area corrosion. Check rocker panels and door bottoms.

Price Guide

1967–1972 Action Line: short-wheelbase driver $22,000–$35,000; show quality $50,000–$80,000. Square Body 1973–1987: driver $18,000–$30,000; show $38,000–$60,000. First gen 1960–1966: undervalued at $16,000–$28,000 driver. K-series 4WD carries 10–20% premium over equivalent C-series. Big-block documented trucks command meaningful premiums.

Did You Know?

The 1967 redesign was shaped by GM's truck design studio, later GM's VP of Design. "Like a Rock" first appeared in 1991 advertising for the final Square Body years. The 1967–1972 C10 and its GMC sibling were the first American trucks offered with a factory full-floating rear axle as standard on heavy-duty variants.

Elite Dealer

$38,995