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D4H old problems dished off on newbe owner (me)
Wore azz out UC coming back to haunt me. Chains jumping sprockets. Pushing straight on level ground i would hear a disconcerting "pop" every now and then mostly from left side. But clearing saplings and 6-8in trees off a stock pond berm while turning, slipping gets way worse. i even hear the... -
1987 D4H series II gauges mechanical or Electronic..dead either way
Warning lights and fault light with beeper works, but gauges are dead. Got a few questions before i tear into the dash panel. Are gauges and lights all 24v. or 12v. (yes its 24v. system) I have no wiring diagram for this to go by. Horn fuse is missing, does this circuit maybe provide power... -
D4H remove injector pump advice on breaking loose front gear.
3204 engine. Has exact same inject pump as in pic(swiped from net) Had lift pump leaking issues last year, changed it out only to find out still getting diesel in oil. Going to remove injector pump to have it leak tested/rebuilt...whichever is the case to stop the diesel getting into... -
New project for my D4H
Been wanting to do this for a while, but since i hate cutting and fitting pipe...i put this off. However with the beer virus still putting a quash on other plans...i finally got of my ass to get this going. Eventually ill add some more ROPS with heavy screen for more brush/limb protection with... -
D4H tranny slipping under heavy load.
#8PB 01320. Been down for a year plus. Because of covid...I finally ran out of excuses and fixed my yard-art dozer. Now that i got diesel in oil fixed (bad transfer pump). Anyways i ran it for 45ish min. yesterday. Goes into all gears fine. Will engage and move at low idle...fyi. Steering... -
Installing new lift/transfer pump Cat. 3204 question
Is there a gasket or o-ring that needs to be installed to prevent oil leak? the old one didnt have one that i could see anyway...and the new one does not have one either. -
1989 D4H hand park brake issues
Ser. #8PB 01320. Been like this since i bought it. Safety hand brake does not work. Up or down no difference. when pushed down it has some binding and does not go completely down. Looks to be hooked up from what a can see but then i have no clue whats going on below. What exactly is this... -
743 makeover almost done
Been busy and on spare time (for months now) been working on repowering, fixing all wiring, gauge and idiot lights, new muffler, radiator, seat +tires..and more...& rattle can repainting into a deceptive color scheme, my 1991 743. Latest pics show everything done Except the cage. I still need...- PEVO
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- Replies: 6
- Forum: Skid Steers
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glowplugs energized when starter engaged according to schematic??
looking over wiring diagrams for my bobcat 743, I noticed that the glow plug solenoid is activated by the starter solenoid when starting engine? it cuts out when starter is disengaged...is this normal?? this is in addition to being able to activate the glowplugs normally via the ignition...- PEVO
- Thread
- Replies: 4
- Forum: Skid Steers
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743 bobcat fuse sizes?
Cant find specs on these. Both of my fuse sockets were empty on the overhead dash.(nothing worked on dash...rigged at best just to start engine) Trying to figure out the AMP sizes. My manual doesnt state the sizes...any ideas?? If im going through to trouble of replacing the engine...im going...- PEVO
- Thread
- Replies: 2
- Forum: Skid Steers
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Bobcat 743 main hydro pump spline adapter torque spec?
Getting my 743 ready to repower with a kubota v2203. First thou replaced leaking main hydro seal. Pressure washed & washed and washed Whole engine bay (everything was FILTHY oily dirty ) from years and years of build up. Anyways reinstalled spline adapter with impact on low pressure setting...- PEVO
- Thread
- Replies: 4
- Forum: Skid Steers
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Changing foot peddle controls to thumb rocker switches on drive control arms DIY
Too much time on my hands. How bout using a DPDT center open mon on-off-on (steering arm mounted switches..one each side) and a fast 12v strong actuator with 2 normally open relays, 2 norm closed relays and 2 limit switches per foot peddle. DPDT controls actuator(one each peddle) in and out...- PEVO
- Thread
- Replies: 5
- Forum: Skid Steers
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bobcat 743 revelations (to me anyway)
The more videos and articles i read about this wore out 743 model i bought(newbe to bobcat ownership for farm use)...the more stuff i see taken off it. First off no seat safety bar or seat belt. Was going to ask what the two push down slide levers on either of the inside cab were...but figured...- PEVO
- Thread
- Replies: 3
- Forum: Skid Steers
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bobcat 743 issues/questions
Ok got my v1702 out finally (stuck splines) getting motor changed out to a v2203. Should i keep the manual engine shutoff or go with the solenoid shutoff thats on the 2203 now? What else can i expect to be different with this swap?(besides the flywheel, motor mounts intake, alt. oil filter...- PEVO
- Thread
- Replies: 7
- Forum: Skid Steers
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Bent cooling fan blades on Bobcat
Removed motor on my 743 bobcat (which was a bitch because the splines were seized up) anyways upon removing the v1702 i see three bent vanes and one with a broken tip on the flywheel...damage for sometime before. Anyways can the vanes be heated and bent back or are these cast an will break? They...- PEVO
- Thread
- Replies: 1
- Forum: Skid Steers
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Hydraulic Fluid in engine oil??? D4H 3204DI
Posted before about finding way too much fluid in the crankcase of my D4h #8PB01320. I just assumed in was diesel...but due to the thanksgiving holiday and a daughters wedding in the same week...i just didnt have time to fart around with it. Looking at it this last weekend better this time... -
Diesel seeping into oil...Injectors or pump? cat 3204
started up dozer the other day. D4H ser. 8PB01320 and low oil pressure flickered a bit and idle then went off. Didnt think much of it. Started it again this last weekend to push out a willow tree out of a low stock tank and noticed the low oil lt stayed on again a bit longer. Checked oil to... -
My new to me...tired playtoys
A 1979ish bobcat 743...smokes...lots of blowby...will get motor rebuilt eventually(few months) 2nd 1987 cat D4H 9500 hours. UC about 75% gone. But starts right up! no blue smoke. Trannys good, brakes right and left good. Lots of neglect for previous owner (rode hard) Have no clue if engine has... -
PAT dozer blade operating tips? New to dozers
Forrest Gump would say...Runnin a PAT blade is hard! Doing finish work with PAT blade is a art. I've come to that conclusion anyway...total respect for ppl i see that make it look easy! I have a total of about 8-10 hours of running a PAT blade. Im getting better but it's learn as you go... -
CAT dozer seat refurb/fix ....kinda
I seen youtube vids of ppl fixing mower and tractor seats with the "Flex Seal" type spray rubber in a can. I figured what the hell..ill try too. I Was able to restretch the vinyl and attach the molding strip around the edge of the molded seatback and pop riveted it in place. Bottom vinyl was...