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1958 U.S. Military Jeep - Air Farce M-38


The transmission and T-case (as well as the engine, master cylinder, and differentials) are all connected to a single vent system, necessary for positively pressurizing the drivetrain to keep moisture out during deep-water crossings. This fording system works off the engine's PCV system. When in normal use, the fording lever on the dash is pushed in, opening the PCV valve and a valve in the oil fill tube. This allows the drivetrain and engine to vent from the PCV into the engine intake. In essence, it's the same negative pressure operation as in a normal vehicle. However, for deep-water fordings, the lever is pulled, closing the PCV valve off from the intake and then shutting the valve at the oil filler. When this happens, the gases from the engine use the drivetrain components as their vents, creating a positive pressure that keeps water from entering any minute openings.

A quick peek on the front bumper and underneath show the relatively rare factory PTO Ramsey 7411944 winch and dual-output T-case 7994148 PTO, which were installed on but a few M-38s. Ron's is all hooked up and ready for business if the need ever arises.


 1958 Us Military Jeep Air Farce M38 Exterior View Main 1958 Us Military Jeep Air Farce M38 Exterior Side View 1958 Us Military Jeep Air Farce M38 Exterior Rear View

Body And Interior

As we mentioned before, although the Willys is bathed in period-correct Air Force-issued blue paint and retains all the correct stencils and markings, Ron actually sandblasted off six layers of paint. The results are well worth it. We'd be hard pressed to find a nicer, more period-correct example in a museum, let alone on any trail.

Sharp eyes will notice the lack of the air-intake snorkel exiting through the passenger side of the hood. Ron has it, but removes it for trail use because he often runs through heavy brush with the windshield folded down. The headlight protectors, rear tire carrier and jerrycan mount, and top bows are all factory M-38 parts.

The non-factory pieces are the two huge and functional antennas hooked to Ron's CB and the military squawk box mounted in front of the T-case shift levers. Ron says the antennas work well with his CB and the military squawk box is extra loud, so you can actually hear what's being said while driving with the canvas top and side curtains down. If you're wondering how Ron runs a 12-volt CB on a 24-volt electrical system, he built his own converter to step down the power.

The rest of the interior is surprisingly intact and unmolested, with all of the brass data plates, functioning gauges, three-lever blackout light switch, and even the throttle, choke switch, and master power cutoff switch. The throttle switch operates the underhood-mounted governor required for running the PTO from outside the vehicle.

Nicely recovered front and rear seats round out the inside and make a place for four passengers to enjoy the wilderness up close and personal.


 1958 Us Military Jeep Air Farce M38 Engine View 1958 Us Military Jeep Air Farce M38 Bed View 1958 Us Military Jeep Air Farce M38 Interior View

Good, Bad, & What's It For

We were surprised to hear that Ron drives the Jeep as far as Maryland on the highway with no overdrive, but when you enjoy a vehicle as much as Ron and Bonnie enjoy the M-38, we guess you're never in too much of a hurry.

We absolutely love how all the trinkets and gizmos are still present and functional. From the foot-operated starter switch to the PTO winch system, it's all still factory. And the stuff added later-like the squawk box, CB antenna, and even the tires-while not period-correct, have the look and feel of belonging on the vehicle.

Although Ron was running the 15-inch rims and Swampers the day we ran with him, he's got the original 16-inch wheels and NDTs ready to go.

Why I Featured It

I've wanted an M-38 since I've wanted a flattie. In fact, all the other Jeeps I've bought have just been placeholders until I stumble across the right M-38. To me, Ron and Bonnie's represents the ultimate example in several ways. It's original enough that you can call it a resto job. It's modified enough that you can call it a trail rig. It's got enough seating that you can call it a family excursion toy. It's got enough character to fill an amphitheater. And it provides enough fun to last a lifetime. If Ron and Bonnie ever put it up for sale, I'll be at their door in less than 24 hours ready to drive it home to California.Christian Hazel

Hard Facts


Vehicle:
'51 Willys M-38

Engine:
134ci L-head

Transmission:
T-90 three-speed

Transfer Case:
picer 18 with PTO

Suspension:
Re-arched stock leaves

Axles:
Dana 25, 5.38 gears, open diff (front); Dana 44, 5.38 gears, Power Lock diff(rear)

Wheels:
15x6 steel

Tires:
34.9.50-15 Super Swamper TSL

Built For:
Fun wheelin'


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