4/4 Tranny with Crawler Gears

[singham]

The 4/4 transmission is of benefit for gear splitting in the hills. When a small gear change brings the engine back into it's best power band.

It is not really an option to change the gears in a 404 transmission. However, the auxiliary crawler gears can still be installed on the 4/4 transmission, giving you two additional ultra low gears.

Unfortunately, the best gearing upgrade on the top end is larger tires. Although when I test drove your truck in Europe in December I believe it already had 12.5x20 tires.

Cheers,

Scott

[coachgeo]

Originally posted by singham
The 4/4 transmission is of benefit for gear splitting in the hills. When a small gear change brings the engine back into it's best power band.

It is not really an option to change the gears in a 404 transmission. However, the auxiliary crawler gears can still be installed on the 4/4 transmission, giving you two additional ultra low gears.

Unfortunately, the best gearing upgrade on the top end is larger tires. Although when I test drove your truck in Europe in December I believe it already had 12.5x20 tires.

Cheers,

Scott

Yes.. it has the larger tires. What did u think of it on the test drive? I hit the road via bus and train to go retrive it and drive it home wiht in minutes.. as in Taxi will pull up soon to my door.

[coachgeo]

Originally posted by singham
<SNIP> However, the auxiliary crawler gears can still be installed on the 4/4 transmission, giving you two additional ultra low gears.

Cheers,

Scott

Would the crawler gears replace some of the other gears or add into the box somewhere... LIke would I have a 10 speed tranny? YIKES...

[singham]

The crawler gearset mounts into the bottom of the 404 tranny. A gearshft tower comes up through the bell housing and a shifter comes through the boot just to the right of your forward/reverse shifter.

The truck wasn't one that I was interested in selling, but with some work will be a nice rig. It definitely needs sound deadening, and serious rust repair. Mechanically it seemed to function properly. And boy is it bright!

Good luck with getting it home.

Cheers,

Scott

[coachgeo]

I did not make it home... it no longer will go in gear... it acted like the clutch went out. Bob tall says he will fix for 2 grand.. its at his place.. I dont have much choice now do I.

anyway... the tranny seemed to operate like two diffent four speeds. one that is lower range... one that is higher range.. and u cant move from one range to the other during travel. Is this correct? I tried this.... I shifted from what Im calling high range below to neutral.. and from that point forward the tranny stoped shifting into anything with the engine on.

Down shifting using both ranges to go up hills would be a nice option to go (using gear descriptions as writen below) say H4 to H3 to L4 to H2. etc .. granted that would prob. be the hill from hell if this was the case.

I do understand that each of the ranges I described above shares some gears... ...

[coachgeo]

oh.. and what do u think may have happend by my moving the H and L lever to Neutral while moving... a clutch finger when out? it shifts fine if either the fwd rev lever, or High low lever is in Neutral. Put some engine torque behind it.. (put one of above into play instead of neurtal) and it wont shift gears with out bang sticking..