Home of all dually trucks with the GMC/Chevy 3500HD series truck a point of interest.

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You can appreciate the “beef” of the GMC/Chevy 3500HD trucks, a stripped rolling 3500HD chassis weighs more than a running C1500!

When posting on this site you won't have to explain what the 3500HD Beast is! ie 19.5 wheels, straight axle, 10 bolt wheels, 15000lbs GVW, 4 Wheel Disc Brakes etc

We are based in the U.S. If you are not from the U.S. or Canada (all IP addresses checked) you will be rejected. If you are a legit overseas applicant, contact me via email:

Welcome to the forum created October 2009

Recent Posts

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Mr C, 8 lug hubs were an option with these up fit conversions. You would get the 8 lug 19.5s along with it
Engine-Driveline-Wheels-Tires / Re: 6.5 was leaking fuel from near filter
« Last post by GM Guy on November 10, 2018, 04:18:32 AM » sells an o-ring kit for the fuel filter housing, as well as lengths of bulk hose rated for biodiesel.

He also offers a upgraded fitting set so you can run the next size up fuel line from the filter to the IP, makes it flow easier, less pressure drop.
Great looking truck,

I have a few questions
What front axle is that? 8 lug dana 60?
Are those 8 lug 19.5 wheels?
is this a real monroe conversion? I thought they had 10 lug hubs.


ebay link:

1963 GMC custom cab 2 door crew cab - EXTREMELY RARE!

A little background on these old crew cabs. Contrary to what MANY believe, the 60-66 crew cabs, in both 2 door, 3 door, and 4 door, were NEVER built by GM. They were built by specialty coach companies like Stageway Coaches, Crown Steel Products, St Catherines Auto Bodies LTD, Pacific Body Builders, etc. They were usually built to be work trucks for forestry services, mines, railroads, etc. The same companies also stretched and added doors to Suburbans for airport transport and sight seeing tours like in Yellowstone.

There is no documentation on who exactly built this crew cab, but I have found 2 other documented 2 door crew cabs which were built by Stageway, and the way the back seat panels and interior were done looks to be identical. The rumor from one of the other 2 door owners, is that they only built 12 of the 2 door crew cabs, and that the rest were 4 doors. I have only ever seen 3 including my own, but have seen probably 30 or more coach built 4 door crew cabs, so it may be true, yet we have no way to confirm nor deny the numbers. Feel free to message me and I can share with you photos and screenshots found around the internet on the information of these trucks.

I found this truck sitting, and I knew I had to have it. I located the owner, and made a deal. I put some fresh gas in it, new fuel lines, swapped a known good carb on it, and an ignition coil, and boom, it runs. It had a dry brake fluid master, so I swapped a new one onto it, and it now has brakes. It did have a flatbed poorly attached to the modified frame, so I removed that. Drove it around town a bit, down the highway, etc, and had a blast. Gathered up a bunch of parts for a wild build, and my dreams got shot down when a large winter job backed out, so I have to sell this unicorn. Specs are as follows.

Canadian built by GMC of Canada(vin plate)
1963 GMC custom cab - full custom cab trim, emblems, etc
Stageway built 2 door crew cab conversion(no badges but identical match to other documented 2 door stageway builds)
Tabbed, titled, registered in WA state
35,xxx shown on speedo, no clue if rolled over or not.
Custom cab interior with dual visors, arm rests, suburban front seat for rear seat access, deluxe steering wheel
Suburban front seat has flip forward passenger seat for rear seat access
Factory power drum brakes
307 engine that runs pretty well, with new ignition coil
Granny gear 4 speed transmission and tailshaft e-brake all work properly
Squarebody rear frame section grafted on in the past with 14 bolt full floater and leaf springs, shortbed length
16" wheels - tires are ok, some cracking but definitely good for rollers or driving around town
Rust - as all these trucks have, its relatively minor. Rust in rear quarter behind drivers door, door corners, fender bottoms, and slight in cab corners. Rust is not nearly as bad as almost every truck I've had roll through, but it is there.

You could totally restore this truck and have a wicked family hauler cruiser, or simply throw a bed on it and drive it. I purchased it so I could haul the whole family around to car shows in style, but having a large job back out just before winter, I am forced to put this up for sale. Clear title in my name, and I reserve the right to end the auction early.
3500 & 3500HD Complete Trucks FOR SALE / Re: One of a kind HD for sale
« Last post by RPF207 on November 01, 2018, 08:17:42 PM »
Thanks, ed. Once I saw this I had to get it posted on here. That rear axle set up is awesome!
3500 & 3500HD Complete Trucks FOR SALE / Re: One of a kind HD for sale
« Last post by ED-NY on October 28, 2018, 07:22:13 AM »
Here you go: ($35,000)

1998 Chevrolet C3500HD
VIN: 1GBKC34J1XF008852
condition: excellent
cylinders: 8 cylinders
drive: rwd
fuel: gas
odometer: 43020
paint color: red
size: full-size
title status: clean
transmission: automatic
type: truck

One of a kind unit! You will never see another truck like this on the road or job site.

This vehicle will make your business stand out tremendously against the competition and turn heads all day long.

This is a spectacular demonstration of a custom CHEVY C3500HD DUMP TRUCK - This truck has a custom body with built in tool boxes. Each tool box has been designed to secure all the tools required for building custom homes or commercial projects. The tool boxes will accommodate air compressors, air hoses, nail guns, leveling devices as well as skillsaws. all while keeping them secured and stationary when the dump bed is in full upright position.

The rear of the bed also maintains a hydraulically operated tailgate which lifts completely upright allowing for a swift expunging of debris. To the left and the right of the rear dump gate are two (keyed) doors which allow access to compartments just behind the tool boxes for shovels, brooms and steel stakes. The bed was designed create maximum visibility down both sides of the truck making it easy for the driver to see positioning of other vehicles when driving or backing up. On the dump bed are mounted brushed stainless steel lumber racks which extend over the cab allowing for maximum material lengths.

These lumber racks have ratchet style strapping for securing the load to the bed. The dump bed is position over a tandem axel suspension system which incorporates adjustable air bags activated by controls located inside the cab of the vehicle. The air bags are driven by a compressor mounted in the engine compartment. The two rear tandem axels support four steel inner wheels and four polished Alcoa aluminum wheels. The front wheels are also polished Alcoa wheels. The tandem axel wheels are covered by custom fabricated chrome plated fenders mounted to 1 1/2" diameter chrome plated support brackets.

The rear bumper is a 4" diameter 1/4" wall chrome plated steel bumper. There is a trailer hitch welded to the chassis and bumper. All tires on this truck are new. The truck has tinted glass and the paint is new. The engine compartment is covered by a custom Ramair hood. Included on the truck are two 45 gallon polished aluminum fuel tanks. The tank on the passenger side holds diesel fuel for servicing excavation equipment. The tank on the driver side facilitates gasoline for the truck. Incorporated into the diesel fuel system is an axillary pump operated by a keyed switch and a fueling hose which is mounted to a reel inside the tool box. The truck has am/fm cassette player and air conditioning. This truck has been garaged since it was fabricated.

This is an opportunity to own an exceptional utilitarian vehicle which provides unparalleled marketing, separating your company from the competition.

We are open to sensible offers from serious buyers.

Please call or text Ben Kaplan at show contact info with questions or to coordinate a viewing appointment.
Tech - Help Area / Re: Custom chip burned
« Last post by ED-NY on October 25, 2018, 08:26:21 PM »
That's a 777427 ECM (1227747) and the Prom bin is:  BJKZ ( 94 C-P-Truck-7.4TBI-4L80).

Have a copy of the bin just need the correct xdf file to open and alter it, but can get the xdf via the GearHead forum.

You can re-solder the ecm or just buy one of these adapters:

or via Moates:

I like the adapter because you just plug it in without altering the ecm...the dust cover "might not fit" I'll look into that situation.  Do you want to ask the tuners on the GearHead forum what can be changed for performance?  I can disable stuff like EGR, vats, adjust idle etc but need suggestions for which values can be changed to help performance.

Have extra eproms and can give you one when you are ready.

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3500HD King Pin Replacement
4BT and Diesel Swaps
King Pin Tech Tip pdf
MILLER TIG Welding Calculator
HYDRO-BOOST LEAKING? Fix it for $6.50