2) I was looking on Kohlers web site and found this under troubleshooting section: Runs Rough on Low & Will Not Accelerate. 2009 Bobcat Toolcat 5600 D. I need help diagnosing a power issue on my 2009 Toolcat 5600D. Due to the lack of enough air and reduced cooling capabilities, the engine will be overheating. I have all new air and fuel filters. Jul 1, 2011. * Engine not properly warmed up -----definitely no. It has a Kawasaki FR600V engine and K46 transmission. Bobcat compact excavators deliver more hydraulic horsepower than other brands of the same size. My compression cold test is 380psi in 3 cyl and one cyl is 340. Hello, I have a 1993 753 bobcat skidsteer that has been running great for years. Before the fix part, Taryl hosts a popul. • Low Cylinder Compression. I believe it's the drive belt but thought I would post here for insight first . I have a 2004 cat skid steer 226b, sometimes when i turning or using the bucket the machine starts to lose power and - Answered by a verified Technician . you may want to check your spindles as well and make sure they spin freely, and grease them if you can. It seems to have come on fairly quickly, and when I first noticed it, the mower was running weakly until I heard a sound . The head is new and valves adjusted properly. May 22, 2006. Bobcat S175 fuel problem. i have a kawasaki FR600V-AS05 engine on a exmark lazer z turn zero, it starts and runs (in idle high and low) fine but when i start to move it bogs down. One was black. A dirty air filter will allow the engine to run but too rich. If bad gas/ water in gas is a possibility would some kind of fuel treatment be worth trying. It almost seems like a bad valve. Apr 6, 2010. These symptoms are abnormal noise, high fluid temperature and slow operation. I am a firm believer in not looking to make a simple problem complicated. Join Date: Jun 2007. To check, be sure you've got enough slack in the deck belt, then try to turn the spindle pulleys and see if they all turn freely. This ethanol attracts moisture (water) and debris which reduces fuel quality and may cause the engine to run rough (or not at all). If your tractor has black smoke and lo. My manual says idle speed no load is 2,200 rpm and 3,700 under power. Outdoor Gasoline and Electric Powered Equipment and Small Engines - 25 hp Kohler on a 60" Gravely Zero turn.. low power under load with black smoke - Hello all I am a newbie here and was wondering if someone might be able to help me out. Receive 0% financing for up to 24 months*, or, in lieu of financing, choose select-model cash rebates of up to $1,000 USD*/$1,300 CAD*. I brought it back up to Dallas, and after putting a battery in it and rebuilding the carb, and beating on the starter a little with a hammer, it fired . "Up High in the Rockies". It almost seems like a bad valve. It very clearly stumbles and begins running very rough, as if missing a cylinder. Check to see that the deck belt is not binding somewhere. Had to take the engine off the mounts to get it out! 25 HP Kohler Command on a Bob Cat, Pops, back fires, and misses under a load. "Up High in the Rockies". It has had regular maint. and oil, fuel, air filters have all been changed. Clear all the dirt from the cooling fins. A mower bogs down in thick grass when there is a power loss. Only show this user. At lower rpm, or when operated without load, all is fine, and the engine runs quite well. Grass was maybe 6 inches or so. Check your fuel cap, make sure the vent is open. 2) I was looking on Kohlers web site and found this under troubleshooting section: Runs Rough on Low & Will Not Accelerate. We did a compression check and were getting about 190 pounds on each cylinder. I know my way around gas engines pretty darn well and I've owned 2 diesel engines but have only done basic maintenance on the diesels so I am literally a novice when it comes to diagnosing diesel engine issues. hoho223. #2. I cant find any screws on the carburetor to adjust the mixture. Local dealer inspected and can not find an issue. 25 HP Kohler Command on a Bob Cat, Pops, back fires, and misses under a load. Even when just motoring forward with an empty bucket or … read more daves71 Service Manager High School or GED 668 satisfied customers Running fine..ive put new filters on,changed fuel supply hose..intake Diesel fuel filters need to be changed on a regular basis, more often in dusty work environments. I have a one year old 2501, 90 hours on the clock. You should check the fuel system as well for excessive dirt and water as well. kleinchris. Previous repair: Replaced fuel shutoff solenoid (electrical problem) After previous repair the tractor was used and worked but began laboring to the point of shutdown when under load. The skid steer loader has a boom lifting force of 5490 lbs (2490 kg) and bucket breakout force of 5035 lbs (2285 kg). It starts and runs fine but loses I have a 1996 Bobcat 753. Not the nicest way to test it (tastes like crap, but is quick and simple). Both are now black. I started my YM240 (24 hp diesel) this spring and it runs absolutely fine for about 1/2 hour - plenty of power under load, no smoke, no blowby, everything seems normal. The hydraulic return filter is a simple solution that can be found under the floorboard. Jan 26, 2014 #3 wdchyd Proactive maintenance emphasizes the routine detection and correction of root cause conditions that would otherwise lead to equipment failure. My compression cold test is 380psi in 3 cyl and one cyl is 340. Switched them. The machine will lose power under load and blow black smoke as it bogs down. One was brown. You should run the throttle above idle for any turning. • Damaged Timing Gear. Check a no-start. The governor hunts a bit on power with no load and the idle speed is low about 700 rpm. The head is new and valves adjusted properly. After the engine warms, the choke opens and a normal air-to-gasoline mixture moves through the carburetor. Save big on a new small articulated loader. In "What's My Mower?? pipo5832. I have been running it every day and just the other day it ran for about 15 minutes then started to lose power until it would barely make. My Riding Mower Backfires & Has a Loss of Power. #1. Replace the old fuel with new fuel by cleaning off the carburetor and changing gas. It will also run bad with the blades off at a high speed. I pulled the spark plug wire on the left side (by fuel pump )and mower runs just fine, put . You should run the throttle above idle for any turning. 2008-05-26 153964. I pulled both spark plugs. I cant find any screws on the carburetor to adjust the mixture. The clogged filter acts like another choke. The shaft nut holding the piston on in the cyl could have come off, and the fluid is recirculating. I have a non turbo V2203 IDI in my kubota u45. Help, please. i stop moving for a second until the blades get back up to speed but im basically crawling doing half cuts. A JD 160 Excavator with less than 2800 hrs..lost power..actuator..blew. Posts: 269 Westminster, Texas. Save. Also one of the spindle bearings could be freezing up causing the blades to be difficult for the engine to turn. This happens at all engine temps. It starts and runs fine but loses power under a full load. Turns out the fuel line had worked its way between the tank and the oil pan and got pinched closed. There is no blockage in the intake. Often the loss of power is accompanied by an increase in pump noise, especially as the pump tries to build up pressure against a load. The rated operating capacity is 3350 lbs (1520 kg), and tipping load is 6700 lbs (3040 kg). We did a compression check and were getting about 190 pounds on each cylinder. Customer: 25 hp Kohler on a 60" Gravely Zero turn.. low power under load with black smoke. But when the load is applied to the engine, it is too rich and so it dies. These small machines will not hold a heavy load on the engine if its speed is too slow. It runs just fine a works good. I believe this is possibly why. The Bobcat S770 is equipped with hydraulic wet disc brakes and 12x16.5-12 tires. Most common causes of black smoke are faulty injectors, a faulty injector pump, a bad air filter (causing not enough oxygen to be supplied), a bad EGR valve (causing the valves to clog) or even a bad turbocharger. Replace and go from there. #7. cngizbleevng said: I have a Hustler Super Z zero turn mower with 60" deck and kawasaki engine. Common Causes of White Smoke: • Damaged Injectors. The cylinder(s) may not move at all, or if they do they may move too slowly or may stall under light loads. 2,375 satisfied customers. It has an Onan 16 hp performer motor. Jul 1, 2011. Jul 8, 2015. Also check that excess fuel from injectors is returning to tank and that tank is venting. The fuel system also gets clogged with excessive dirt. A backfire can be caused by events such as shutting down the engine . you may want to check your spindles as well and make sure they spin freely, and grease them if you can. Blue Smoke Signals. • Damaged Rings or Cylinder Liners. The offer starts 04/01/2022 and ends 06/30/2022. I have a 25 HP Kohler (1800 hrs) on a gravely 60 zero turn mower. Location. Tractor. It has been sitting down on my Dad's farm in south Texas covered with a tarp for at least the past ten years. Dec 12, 2015 #3 reaperman Well-known member Joined Dec 18, 2011 Messages 524 The number 1 reason for power loss is the fuel filter. If you have a loss of power when operating your Bobcat loader, it may be due to a clogged breather tube or a clogged hydraulic return filter. The motor only has 1080hrs on it. Many Bobcat machines, and most likely include the 853, used a strainer on the end of the pickup tube in the tank that has a ball check in the stainer, meaning, if you blow compressed air in the fuel supply line in an attempt to clear any blockage you'll blow the fuel pickup tube clean off inside the tank. Only show this user. If the engine won't start or is not operating properly, start by checking the fuel system (tank, fuel lines and fuel filters). I've had multiple occasions where it begins to stumble, miss, smoke slightly, and lose power while under load. It is blowing a lot of black smoke and has very little power. It is a Miller Bobcat 225G with the Onan 16HP engine. Apr 7, 2010 Messages 8 Hello, I have a Bobcat 843 Isuzu and it has just started losing power when I have it under a load, like climbing a hill with a loaded bucket. How To Fix? I recently bought a used Miller Bobcat 225G. I have had it a little over 2 years and it has less than 100 hours, which for a commercial grade mower isn't much. The exhaust smells like its running lean. It resembles a spark plug but has a sunken center electrode that simulates a load on the coil. I keep giving it gas and it keeps slowing down. 3) Took injection pump off, with all injectors, had them rebuilt. Also if your traveling up hill, fully loaded, with both sticks forward you may have to just hold back a bit and let the engine catch up. Kubota BX or small diesel tractor running rough, stalling or losing power. If bad gas/ water in gas is a possibility would some kind of fuel treatment be worth trying. Then, after about 1/2 hour it starts losing power and in a period of about 3-4 minutes it loses so much power that it can't climb a small grade unless I drop it into 1st gear. A possible answer could be as simple as changing or cleaning the air filter. It just started losing power uphill without any warning. I have a CountryClipper Zero-turning radius mower with a Kawasaki 23 hp engine FH680V. Reply With Quote. 1) Put on a new cam run lift pump mounted to engine 2) Added an electric lift pump in place of the primer ball (pull through pump so I can leave it off if I want) just to see if the cam itself was worn out operating the cam lift pump (process of elimination). The Bobcat loader has a rear-mounted diesel engine. Problem just started recently but i find when mowing taller grass even at a slow speed the engine bogs and loses rpm. Any advice would be appreciated. Starved for fuel: This may be caused by a restricted or a wrong fuel filter, air being introduced into . May 12, 2012. Customer: My '96 legacy will run fine for a very long time, but on rare occasions (once every month or two), it will lose power going up a long steep hill. Sign #4: Skid Steer Lacks Power. If the choke sticks shut, the mower runs poorly, and it could stall or bog down as you . It's an easy fix if you have the right tools. Air in the fuel system - Air bleeding. Excessive dirt and grass can clog the air filter system or the cooling fins, which will lead to power loss and hence bogging down of the mower under load. My brother has a JD 160 Excavator with less than 2800 hrs. It has no smoke. There is no loss of engine power though. After the engine warms, the choke opens and a normal air-to-gasoline mixture moves through the carburetor. When it is running right, it cuts and spits out the thick grass like it was nothing! I checked for sparks and both cylinders/coils have spark. 2009 Bobcat Toolcat 5600 D. I need help diagnosing a power issue on my 2009 Toolcat 5600D. It's not only backfiring, but when you engage the blades it bogs down terribly and then runs poorly the whole time the blades are on. The use of glow plugs during cold starts and/or the use of a flushing solvent to remove engine sludge is recommended. Bobcat model number is 942233a with 1250 hrs. Fuel in the last couple of years now has up to 10% ethanol. * Engine not properly warmed up -----definitely no. Holding the plug wire and seeing if a spark jumps to ground is inconclusive. My lawn tractor is a 2013 Husqvarna YTH18K46. I have a 2004 cat skid steer 226b, sometimes when i turning or using the bucket the machine starts to lose power and - Answered by a verified Technician . Any way you look at it, a diesel truck emitting black smoke is not going to be getting the optimal fuel mileage it should be getting. I know my way around gas engines pretty darn well and I've owned 2 diesel engines but have only done basic maintenance on the diesels so I am literally a novice when it comes to diagnosing diesel engine issues. sharpen your blades, dull blades create a nasty load and can bog your mower down a bit. So it's no wonder the mower will bog down under load. I got it. Location. Save. I'm curious if you solved the problem? By lacking power, we mean that perhaps your skid steer just can't make it up that hill or it can't seem to carry that load it had no problem with a few days ago. It sounds like you have a loss of power when you put the extra load on the engine. Tractor. sharpen your blades, dull blades create a nasty load and can bog your mower down a bit. If the choke sticks shut, the mower runs poorly, and it could stall or bog down as you . The reason is pretty simple. Power-Trac 1445, KUBOTA B-9200HST Put a hyd gage in the lift circuit and see what the pressure is. I have all new air and fuel filters. i have a 96 bobcat 873.motor has been completely remaned by a deutz dealer.problem is that after about 15 minutes of operating under full power the engine starts to lose power .example if i was loading my truck with sand from a pile the machine would seem to die down as if it was in a lower throttle position. Downhill mow speed is normal and flat terrain is slightly limited. The spark is arcing in atmospheric pressure. As with a drive refusing to turn, a skid steer that doesn't have much power can have problems that don't directly involve the hydraulic motor. The machine lost power and it was found that the actuator pump failed and blew out the filter. This happens at all engine temps. It was manufactured in 1992. • Damaged Crankshaft Keyway. Thanks OhSarg Sep 14, 2010 #3 M mrfixitpaul Well-known member Joined Mar 28, 2009 Messages 365 Make sure the fuel flows freely from the tank to the fuel injectors. In the case of hydraulic systems, there are three easily detectable symptoms that give early warning of root cause conditions. * Spark plug gap incorrect -----don't think its this. Bobcat CT120, 255 hrs, Kioti 3 cyl diesel, front loader. A catastrophic failure of a $20 screen due to … read more. 15. I have a non turbo V2203 IDI in my kubota u45. Maybe it won't start or won't stay running. These small machines will not hold a heavy load on the engine if its speed is too slow. Thanks for the ideas, Earthwrks. Response from the Engine Man: There are a few possible causes for a lack of power at high rpm with a diesel engine, but I like to first go to the most common causes. ?" Taryl shows you what to look for when your water cooled Kawasaki engine has a loss of power. When you move the spool, fluid is supposed to go somewhere, either the spool is not moving, or the fluid is sent somewhere else.