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Reference Section: 1942 Caterpillar D4-5T Bulldozer

This is my 1942 Caterpillar D4-5T Bulldozer, from my personal collection. It has a front-mounted hydraulic pump to operate the hydraulic cylinders for raising & lowering the dozer blade. The engine is a Caterpillar diesel, but is started by a "pony motor." The pony motor then engages the main diesel motor via a clutch lever, sort of like a primitive starter. The glass jar is placed inverted over the exhaust stack in order to keep rain water out of the diesel engine cylinders.

AUGUST 2013: The first several views are of the dozer at its previous owner's property north of San Francisco, California, shortly before I loaded it onto my trailer for the long trip to Las Vegas, Nevada, and eventually to my mini-ranch property in Utah. It has had a hard life; prior to the fellow I purchased it from buying it, it belonged to a guy who used it for road-building...it has been ridden hard and put away wet, so to speak. It was purported to have run & operated shortly before I bought it, so soon I will dig into it to see if I can get it started & running. Eventually it will undergo a complete restoration, but in the meantime I hope to get it running so I can use it for small jobs around my mini-ranch property.

APRIL 2016 : Later views show the dozer in my side yard at my home in Las Vegas, and then the eventual transfer to my shop building on my mini-ranch property in Utah.

Originally, this dozer went right to the US Army; you can still see traces of the original Olive Drab coating where the yellow paint has peeled away. When I restore it, I will probably put it back in its original WWII-era OD Green with white stars & US Army markings.

The dozer as it sat on its previous owner's property in northern California, awaiting loading onto my trailer
1942 Caterpillar D4-5T Bulldozer
Right front view, showing the 3-way blade.  Its life of heavy use is evident throughout
1942 Caterpillar D4-5T Bulldozer
Left side view.  The entire dozer was covered with cobwebs from sitting so long
1942 Caterpillar D4-5T Bulldozer
Upper fuel injection pump, water pump, fan, and radiator
1942 Caterpillar D4-5T Bulldozer

Left side of engine, showing upper part of pony motor and its associated levers and rods
1942 Caterpillar D4-5T Bulldozer
Right side of engine, showing intake and exhaust manifolds.  I will need to install a new freeze plug in the intake manifold
1942 Caterpillar D4-5T Bulldozer
Looking down on the hydraulic pump, mounted to front crankshaft PTO
1942 Caterpillar D4-5T Bulldozer
Dozer blade center pivot
1942 Caterpillar D4-5T Bulldozer

Blade pivot pin
1942 Caterpillar D4-5T Bulldozer
Looking forward at operators controls and pony motor pull starter flywheel
1942 Caterpillar D4-5T Bulldozer
View of rear.  If you look closely, you can see that the dozer has a different type of track on each side
1942 Caterpillar D4-5T Bulldozer
Getting the dozer loaded and prepped for journey to its new home in Las Vegas
1942 Caterpillar D4-5T Bulldozer

Pressure-washed and sitting in my side yard at my home in Las Vegas
1942 Caterpillar D4-5T Bulldozer
Left rear view, as it sits in my side yard at my home in Las Vegas
1942 Caterpillar D4-5T Bulldozer
Left side of engine, showing fuel injection pump, hour meter, and fan with belt.  If you look closely you can see the original US Army OD-Green underneath the peeling yellow paint
1942 Caterpillar D4-5T Bulldozer
Another view of injection pump and radiator fan
1942 Caterpillar D4-5T Bulldozer

Pony motor and its controls and levers
1942 Caterpillar D4-5T Bulldozer
Front hydraulic pump and associated piping
1942 Caterpillar D4-5T Bulldozer
Right front view
1942 Caterpillar D4-5T Bulldozer
Right front view
1942 Caterpillar D4-5T Bulldozer

Looking down on operators seat and controls
1942 Caterpillar D4-5T Bulldozer
Looking down on operators controls
1942 Caterpillar D4-5T Bulldozer
Winching it back aboard my trailer so it can be relocated to my shop building in Utah
1942 Caterpillar D4-5T Bulldozer
Winching it back aboard my trailer so it can be relocated to my shop building in Utah
1942 Caterpillar D4-5T Bulldozer

Ready to be secured for its final journey
1942 Caterpillar D4-5T Bulldozer
Ready to be secured for its final journey
1942 Caterpillar D4-5T Bulldozer
Getting ready to winch the dozer off my trailer and into a shop bay for future restoration
1942 Caterpillar D4-5T Bulldozer
Safe and sound inside my metal shop building, awaiting future restoration
1942 Caterpillar D4-5T Bulldozer

Safe and sound inside my metal shop building, awaiting future restoration.  Behind dozer is my old 1942 Chevy G506 4x4 military truck that I have since sold to a friend
1942 Caterpillar D4-5T Bulldozer
     

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