Read this before buying somebody else’s “fully restored” 1970s tractor.
So You Think You Want a 40 Series
You probably do. The FJ40 is one of the most recognizable, charming and genuinely useful old four-wheel drives ever built. It is also old enough that “Toyota reliability” can now be buried beneath rust, body filler, wiring experiments, tired brakes and fifty years of previous-owner confidence.
A Research-Driven Buyer Guide
This guide follows the same philosophy as the AGF 80, 100 and 200 Series buyer guides: inspect the actual truck instead of buying the reputation.
It combines Toyota 40 Series history with recurring buyer advice from long-running IH8MUD discussions, enthusiast experience and real auction/listing examples.
40 Series Basics
The 40 Series arrived in 1960 and became the shape most people picture when somebody says “old Land Cruiser.”
The family included short-, medium- and long-wheelbase trucks, gasoline and diesel engines, hardtops, soft tops, pickups and utility bodies. In the United States, the short-wheelbase gasoline FJ40 is the familiar version.
1960s–Early 1970s
- F-series inline-six power and extremely simple mechanicals.
- Many early trucks use a three-speed transmission and four-wheel drum brakes.
- More primitive sealing, controls and highway manners.
- Correct original trim can matter substantially to collector value.
1975
- 2F 4.2-liter inline-six replaced the earlier F engine in U.S. FJ40s.
- Revised doors, handles and body details.
- Ambulance-style rear doors became one of the signature later-truck features.
- A popular breakpoint for buyers who want classic looks with later usability.
1976 and Later
- Front disc brakes are one of the most meaningful drivability upgrades.
- Rear drums still require inspection and correct adjustment.
- The 2F / four-speed combination is familiar, durable and strongly supported.
Late 1970s–1984
- Incremental mechanical, body and interior refinements accumulated through the run.
- Factory specifications vary by market, especially on imported trucks.
- Later does not automatically mean better. Rust and restoration quality can erase every year-model advantage.
What Buyers Keep Telling Other Buyers to Check
A failure list can make any old truck sound doomed. These are not guaranteed failures. They are recurring inspection areas because they expose expensive corrosion, deferred maintenance and questionable restoration work.
Frame Rust and Delamination
Crawl underneath. Inspect the rear spring-hanger areas, rear crossmember, frame rails, gussets and sections around the spare-tire area.
Heavy scaling, layer separation, deep pitting, cracks, distortion or crude plating repairs deserve serious attention.
Rear Sill, Rockers and Tub
Check the rear sill above the bumper, lower quarters, rockers, floors, toolbox floor, transmission-tunnel corners, wheel wells, panel seams and the cross-body channel directly behind the front seats.
IH8MUD buyers repeatedly point to these areas.
Bondo and Cosmetic Restoration
Bring a magnet. Study spot-weld seams, backsides of panels and the underside of the tub.
Ripples, bubbles, pinholes, thick seam sealer and suspiciously perfect rust-prone areas should make you investigate—not admire the gloss.
Knuckles, Bearings and Birfields
Look for oil/grease contamination at the steering knuckles, wheel-bearing play, clicking on turns and neglected axle service.
A front-axle rebuild is normal vintage-Cruiser work. Pricing the truck as if it never needs one is not.
Engine and Driveline Leaks
Inspect the rear-main area, oil pan, valve and side covers, transmission and transfer case.
A small seep may be manageable. A soaked clutch housing, slipping clutch or constant drip changes the budget quickly.
Transmission, Transfer Case and Driveshafts
Shifts should be deliberate but not abusive. Listen for whine, grinding, vibration and clunks.
Check U-joints, driveshaft play and make sure high and low range actually engage.
Brakes
Early four-drum trucks need careful inspection and adjustment.
Later front-disc trucks still use rear drums.
Check fluid, hoses, cylinders/calipers, pedal behavior and whether the truck stops straight without drama.
Play and Conversions
Excessive wander is not automatically “just old Land Cruiser stuff.”
Inspect the steering box, linkage, tie-rod ends, knuckle bearings and any power-steering conversion.
Modified steering should look engineered and serviceable.
Mystery Wiring
Check under the hood and beneath the dash.
Unfused battery leads, household connectors, hanging relays and abandoned accessory wiring are clues about the quality of work everywhere else.
Imported and “Restored” Trucks
Do not assume a frame-off restoration means the truck was restored correctly.
Confirm chassis identity, engine/transmission configuration, title paperwork and where the restoration was performed.
Photograph stampings and compare the story to the metal.
What “Restored” Should Actually Mean
Photos
A serious restoration should have evidence: before photos, bare-metal/bodywork photos, frame work, mechanical work and finished underside.
Not just eighty glamour shots after paint.
Receipts
Who rebuilt the engine? What parts were used? Who performed paint and body work?
A binder of invoices is worth more than “my guy did everything.”
Consistency
The clean exterior, engine bay, frame, fasteners, wiring and interior should tell the same story.
One freshly painted surface surrounded by fifty-year-old hardware is evidence too.
Walk Away—or Adjust the Price?
Strong Reasons to Walk Away
- Serious frame delamination or structural rust.
- Unsafe frame plating or questionable structural repairs.
- Extensive hidden body filler over corrosion.
- Major title, chassis-number or import-document inconsistencies.
- Transmission or transfer-case damage combined with other deferred maintenance.
- Unsafe steering modifications.
- Burned, unfused or completely undocumented wiring throughout the truck.
- Seller refuses a cold start, road test or independent inspection.
Usually Negotiation / Baseline Items
- Normal front-axle service.
- Minor engine or driveline seepage.
- Tired brake hydraulics with a clear repair path.
- Old tires.
- Worn suspension bushings or shocks.
- Carburetor tuning issues.
- Weatherstripping and minor water leaks.
- Age-unknown fluids and routine maintenance.
Inspect the Truck, Not the Legend
Check items only after you actually verify them. Marketplace adjectives do not count as completed inspections.
Baseline Before You Build
Document Everything
Photograph the truck, chassis numbers, current leaks, tire dates, wiring and existing modifications.
Cooling System
Inspect hoses, radiator, water pump, thermostat, heater plumbing and coolant condition.
Front Axle
Know the condition of the knuckles, bearings, seals, hubs and Birfields.
Brakes
Make sure the hydraulics, drums/discs, hoses and parking brake are trustworthy.
Fluids and Driveline
Engine, transmission, transfer case, differentials and driveshaft service.
Then Modify It
Once the truck is safe and healthy, then start spending money on tires, suspension, lights and unnecessary camping hardware.
What Are They Actually Selling For?
Market snapshot: September 1, 2026.
Third-party listings change, sell or disappear. Always open the original listing and confirm availability before driving across Montana with a trailer.
| Status | Truck | Location / Venue | Price / Result | AGF Note |
|---|---|---|---|---|
| Current* | 1965 FJ40 | Bozeman, MT · ClassicCars.com | $29,000 OBO | Original inline-six, clear title and a useful local driver/restoration benchmark. |
| Current* | 1974 FJ40 | Bozeman, MT | $95,000 asking | Seller described a six-year professional frame-off restoration. Exactly the kind of truck where restoration documentation matters at the top of the market. |
| Sold | 1973 FJ40 | Sheridan, WY · Bring a Trailer · May 2026 | $32,000 | Useful regional comp with rebuilt F155, three-speed, hardtop, Warn hubs and documented refurbishment. |
| Sold | 1982 FJ40 LX | Bring a Trailer · July 2026 | $17,850 | Corrosion underneath and steering play were disclosed. Condition has a visible price. |
| Sold | 1978 FJ40 | Bring a Trailer · July 2026 | $30,500 | Worn paint, OME suspension, electric power steering and front discs. |
| Sold | 1978 FJ40 | Bring a Trailer · May 2026 | $38,251 | Refurbished, replacement 2F, five-speed, EFI, power steering and A/C. |
| Reserve Not Met | 1971 FJ40 | Minden, NV · Cars & Bids · June 2026 | $16,000 high bid | Modified/refurbished three-speed truck. Useful reminder that a high bid is not the same thing as a market-clearing sale. |
* “Current” means the listing appeared active when this market snapshot was researched. Always open the original listing to verify availability and price.
Best Local Benchmark
The Bozeman trucks show just how wide the market can be: driver/restoration money at one end and serious restoration asking money at the other.
Best Regional Comp
The Sheridan, Wyoming $32,000 sale is especially useful because it is geographically relevant and represents an actual completed sale.
Market Lesson
The current market still rewards documented restoration quality, but honest driver-quality trucks remain a completely different pricing tier.
40 Series Buyer FAQs
What is the “best” year?
There is no universal winner. Many buyers like 1976-and-later trucks for factory front discs and later drivability, while earlier trucks can have more collector appeal. The best purchase is usually the best metal, documentation and mechanical condition in the configuration you actually want.
Is a little rust normal?
Yes. “Normal” is not the same as harmless. Surface corrosion and structural thinning are different things. The question is where the rust is, how deep it goes and what it will cost to repair correctly.
Should I avoid a restored truck?
No. Avoid an undocumented restoration whose appearance is doing all the talking. High-quality restorations can be excellent purchases. Low-quality restorations are one of the easiest ways to pay premium money for hidden corrosion and incorrect work.
Is an imported FJ40 a bad idea?
Not automatically. Verify VIN and chassis identity, title and import documents, engine and drivetrain configuration, restoration location and parts availability.
Do not assume “South American restoration” describes one consistent level of quality.
How much should I budget after purchase?
Enough that baselining does not hurt. Fluids, brakes, cooling, ignition and carburetion, tires, axle service, steering, rubber parts and wiring can turn a cheap vintage truck into a serious first-year bill.
Go Read the Original Discussions
IH8MUD: 1974 FJ40 — What to Look For
Excellent rust-location discussion including rear corners, sill, rockers, floors, transmission-hump corners, spot-welded tub areas and the cross-body channel.
Open Thread ↗IH8MUD: Buying a Used FJ40
Long-running owner discussion emphasizing rear-frame rust, spring hangers, rear cross piece, sill, driveline behavior, leaks, steering and bearings.
Open Thread ↗IH8MUD: Buying a Restored FJ40
Especially useful for frame delamination, heavy pitting, cracks, fresh paint, hidden seams and underside inspection.
Open Thread ↗IH8MUD: 40 Purchase Checklist
Another practical reminder to lift carpets, check the rear sill, inspect plating from both sides and use a magnet for filler.
Open Thread ↗Wikimedia 40 Series Gallery
A large public image collection covering many 40 Series years and body styles.
Open Gallery ↗Aaron Goes Fast Buyer Guides
This page belongs beside the 80, 100 and 200 Series guides in the Aaron Goes Fast vehicle-resource library.
Aaron Goes Fast ↗Buy the Best Metal You Can Inspect—not the Best Restoration Story You Can Imagine.
A good 40 Series is gloriously mechanical, endlessly charismatic and capable of making a 45 mph backroad feel like an expedition.
A bad one is a body-shop invoice wearing round headlights.
Documentation before shine.
Inspection before emotion.
Mechanical baseline before accessories.
And bring a magnet.
Educational buyer guide only. Not a substitute for a professional pre-purchase inspection, factory service information or title/import verification. Aaron Goes Fast is not affiliated with Toyota, IH8MUD, Bring a Trailer, Cars & Bids, Craigslist, ClassicCars.com or Wikimedia Commons.