What kind of engine does a Mack rd688 have?
I have a 2002 Mack RD688S with an E7 engine in it. When you turn the key on, it powers up and everything seems fine, but when you go to start it, it wont start. We changed the ECU with one that works, and we checked the VECU also transfer pump if it has one. been there done that…………… BMT Certified Know-It-All!
Can a 1998 Mack E7 engine crank but no start?
I have same problem with 1998 Mack e7 crank no start but no fuel too injector it has a Electric injector pump but on that not I found my starter has a really bad draw it’s pulling my 12.87 volts down to 8.6-9 volts so I have a starter order for it so I’ll see how that works
How much torque does a Mack E7 engine have?
Mack E7 engine Main Bearing Bolt torque 115-125 lb.ft, 156-170 Nm Mack E7 engine, Cylinder Head Bolt torque Step 1 = 90 lb.ft, 122 Nm
What’s the best running rate for a Mack Engine?
Mack engines are not built for speed unlike Cummins, CAT or Detroit but for long-term durability; perfect for service applications like Public Bus Fleets, Fire Engines, Dump Trucks and Refuse Vehicles. The Mack e7 engine’s optimal running rate is at 1400-1800 rpms but isn’t designed for high running rates.
What to do if your Mack engine won’t start?
check the fuel cut off solenoid to see if it’s opening up all the way when the key is on…. could be choking off your fuel right there…. follow the little wire to the fuel pump….
When did the Mack Engine No start discussion start?
ALL NEW MEMBERS PLEASE READ THIS FIRST!!! Discussion in ‘ Trucks ‘ started by kbeen, Jul 23, 2012 .
2002 MACK RD688S WITH E7-300 ENGINE, FULLER 8LL TRANS, 20K FRONT, 46K TANDEM, 22.5R TIRES. 13’6″ ALUMINUM 6 PANEL DUMP BED WITH SIDE BOARDS. FIBERGLASS TILT HOOD, ALUMINUM FUEL TANK, CHROME STEEL…
Where can I find a 1996 Mack rd688 dump truck?
1996 MACK RD688s Tri-Axle Dump Truck TOUGH OL’ DOG Location: Flanders, NJ 07836 Price: $27,000 Stock#: WE-688s Year: 1996 Make: Mack Model: RD688S Vin #: 1M2P267C6TM028938 Miles 507,682 See More Details
What kind of engine does a Mack dump truck have?
Motor: Mack E7 Etech elec 350 hp Transmission: Fuller RTOF14908LL 8 speed Wetline: for dump body PTO: Hydrualics runs off front of engine Rear: Mack 44,000 lbs Ratio: 4.64 Suspension: Camelba… See More Details New box , Hydraulic hoist, New pump, New brakes, New tires, New Clutch, New Transmission, New Hydraulic Cylinders.
Is the Mack m917a3 an all wheel drive?
The Mack Granite-based M917A3 HDT features all-wheel-drive, heavy-duty rear axles, and a higher ride height, plus an armored cab designed to retain Mack’s trademark comfortable ride.
Do you need to replace parts on a Mack truck?
Despite the tenacity of its rigs being reminiscent to that of a Bulldog, like any vehicle, Mack trucks need to have parts replaced sometimes too! At 1A Auto, it is our mission to supply you with the right parts you need to keep your Mack truck working in tip top shape, at a great discount.
What is the wiring diagram for a Mack truck?
Document Release Status D-16194-85 SEE DCN Date Modification Count WIRING DIAGRAM INDEX, 12V NAME DESCRIPTION Page NAME DESCRIPTION Page AA-O POWER DISTRIBUTION 1/2 2 GD LIGHTING-FORWARD/SIGNAL (CXU,GU7,GU8) 30 AB-O POWER DISTRIBUTION 2/2 3 GF LIGHTING – TAIL/PERIMITER 31
Why does my Mack E7 engine not start?
Turns out the ECU is very sensitive to voltage drop. Anything below 11.5 volts and it gets the lack of will to work. Mack have installed a voltage warning light in the dash ( just a little red LED ).
How big is an E7 Mack dump truck?
E7 mack, 350 hp, jake brake, mack 18 speed, 44000 mack rears, 17 feet BIBEAU steel dump body second owner . truck runs and drives great. miles and hours are original.
What kind of engine does a Mack E7 Etech have?
Motor: Mack E7 Etech elec 350 hp Transmission: Fuller RTOF14908LL 8 speed Wetline: for dump body PTO: Hydrualics runs off front of engine Rear: Mack 44,000 lbs Ratio: 4.64 Suspension: Camelba… See More Details
What kind of battery does a Mack truck have?
Anything below 11.5 volts and it gets the lack of will to work. Mack have installed a voltage warning light in the dash ( just a little red LED ). Is more of a problem on these buckets as the cab and chassis electrics are 24v and the engine is 12 volt. Check to see if you have a battery on the way out. 94 Mack ch. 613. V max. 400.
Where is the fuel pickup tube on a Mack?
I know that most Mack tanks have the fuel pickup tube welded into the top of the tank, but if that turns out to be the problem, it’s possible to use a hole saw and bore another hole in the top of the tank, weld in a female pipe fitting of the correct size and fabricate a screw in pickup tube as described earlier.
Why does my 94 Mack have no fuel?
94 Mack ch. 613. V max. 400. Just stopped have fuel come on the return line to tank did the filters checked the little fuel solenoid works good. Cracked the injections lines. But no fuel there. Dealer sent me a square block with a solenoid on it for 1200.
What kind of fuel shut off does a 90 Mack have?
Just a thought, what kind of fuel shut off does it have electric or cable, make sure it’s opening all the way.I have a 90 mack that had an electric air shut off on the pump,I had to take it off and hook up a cable shut off because sometimes it wouldent shut the fuel off and sometimes it wouldent turn it on. 3 weeks later…
What kind of engine does a Mack ch613 have?
I have 2003 Mack Ch613 with an E7-427. Engine won’t start, im not getting any power to the EUP. We have already swiched I have 2003 Mack Ch613 with an E7-427. Engine won’t start, im not getting any power to the EUP.
Why does my E7 engine not start up?
Is this a working truck or a running truck, did it just not start one day, if it fires up with a shot of eather than more than likley it’s a fuel related problem. Crack a few inj lines on the pump and see if you have fuel when you turn it over. BMT Certified Know-It-All!
What kind of warranty does Mack Engine have?
Our warranty covers 100 percent parts and contingent damage, as well as 100 percent labor if the part is installed by an authorized Mack dealer. Offering E6, E7, E-TECH ® and ASET ™ models. Basic engines feature remanufactured cylinder block, heads, crankshaft, connecting rods and oil pump.
How is a Mack truck v-Mac remanufactured?
Each V-MAC ® is completely tested at room temperature and then heat-soaked and retested at simulated operating temperature to ensure that all system features meet OE parameters. Nozzle and holder assemblies are fully cleaned, inspected, calibrated and tested to ensure proper operation.
How many horsepower does a Mack E7 engine have?
At the lowest rating of 250 hp the mack e7 engine will put out 975 foot pounds of torque. Consequently, at the highest hp rating a Mack e7 engine will put out was 454 hp at an impressive 1,660 foot pounds of torque. The vast majority of mack e7 engines still on the road are later models which are all water cooled.