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Changing a clutch, engine, or transmission in any of the Unimogs up until the transmission was divorced from the engine, and the cabs made to tilt, will be challenging. That's why it's worth getting a good truck to start with.
The design of the whole Unimog series is definitely unique. Over-engineered? Perhaps. It was done for a purpose: a highly flexible frame, every major component mounted '3 point' so it does not hinder flex, coil springs allowing high wheel/axle droop and compression, all done in the name of superior offroad performance. Flex is what it's all about. I'll attach a picture when I find it.
What other vehicle has every major component tied to the transmission with only 3 points of attachment to the frame? The axles are supported by rigid torque tubes to ball/sockets on the transmission. Definitely unique, and definitely purposeful.
Back to 404 specifically, yes, changing a clutch is a lot of work but the cab can stay on. By removing the stuff in front of the engine, the engine can be suspended from a hoist and moved forward to the grill. That leaves enough room to change out the clutch, and there are removable floor plates to provide access. I have done this several times.
Changing a 404 transmission is major surgery. Because the transmission is the center of the universe for the 404, the axles have to disconnect, the engine disconnected, and the bed off. Heck of a lot of work!!! Again, get a good 404 to start with.
Bob
The design of the whole Unimog series is definitely unique. Over-engineered? Perhaps. It was done for a purpose: a highly flexible frame, every major component mounted '3 point' so it does not hinder flex, coil springs allowing high wheel/axle droop and compression, all done in the name of superior offroad performance. Flex is what it's all about. I'll attach a picture when I find it.
What other vehicle has every major component tied to the transmission with only 3 points of attachment to the frame? The axles are supported by rigid torque tubes to ball/sockets on the transmission. Definitely unique, and definitely purposeful.
Back to 404 specifically, yes, changing a clutch is a lot of work but the cab can stay on. By removing the stuff in front of the engine, the engine can be suspended from a hoist and moved forward to the grill. That leaves enough room to change out the clutch, and there are removable floor plates to provide access. I have done this several times.
Changing a 404 transmission is major surgery. Because the transmission is the center of the universe for the 404, the axles have to disconnect, the engine disconnected, and the bed off. Heck of a lot of work!!! Again, get a good 404 to start with.
Bob