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Contact Us

Once again, we thank you for choosing Mudd-Ox as your new amphibious ATV. Mudd-Ox was started in 2005, and after thorough testing, 

the first production machine was sold in 2008. Each machine is proudly hand built in the USA. To find more information, please visit 

our website. We strive to keep you informed on everything Mudd-Ox. If you have additional questions or inquiries, please contact your 

nearest dealer or Mudd-Ox directly.

8525 W 750 N

Shipshewana, IN 46565

+1 260-768-7221

www.muddox.net

[email protected]

Feel free to send us pictures and stories about your Mudd-Ox. We enjoy the unique story of each individual machine; the satisfaction of 

our customers is very important. You may also share on our social media pages where latest Mudd-Ox news is posted.

www.facebook.com/muddox/

www.instagram.com/muddoxinc

Summary of Contents for FORT MAC 85 HP

Page 1: ...MUDD OX INC WWW MUDDOX NET 8525 W 750 N SHIPSHEWANA IN 260 768 7221 MADE IN THE USA FORT MAC 85 HP OWNER S MANUAL...

Page 2: ......

Page 3: ...eup to include the Mudd Ox XL Fort Mac and Vengeance to suit all your outdoor needs Our journey has continued to be full of adventure Safety is the number one concern at Mudd Ox Inc Please be sure to...

Page 4: ......

Page 5: ...ranty 5 Safety 8 Instrument Panel 11 Drive the Mudd Ox 15 Operation 17 Accessing the Mudd Ox 23 Track Installation 31 Towing 32 General Maintenance 33 Bolt Torque Specs 33 Storage 47 Parts Manual 48 D...

Page 6: ...mation is vital for identifying each individual Mudd Ox and obtaining a state issued title Do not remove the PIN plate from the Mudd Ox Locating the PIN On the interior of the Mudd Ox in front of the...

Page 7: ...Write down the Model and PIN information just as it displays on the PIN plate to document your individual Mudd Ox Model _______________________________________________________________ PIN ___________...

Page 8: ...No large lakes open waters oceans 1 year or 500 hours limited warranty on Mudd Ox 2 years or 2 000 hours engine warranty E Warranty 123 Long x 82 Wide x 80 High on 26x14x12 Vendetta Tires with 20 wid...

Page 9: ...re pressure before each use Listed are the oil capacities for the Mudd Ox Fort Mac Always ensure the vehicle is correctly pre pared and the fluid levels are within tolerance before ech use Accessory W...

Page 10: ...Customer Service Department may be contacted using the following methods by calling 1 260 768 7221 in person or by mail at Mudd Ox Inc 8525 W 750 N Shipshewana IN 46565 or online at www muddox net The...

Page 11: ...ose that exceed the obligations and time limitations specified in this warrant are hereby disclaimed by Mudd Ox and excluded from this warranty Additionally this warranty excludes any incidental or co...

Page 12: ...y in the glove box for operators to review as needed AWARNING AW46 Hydraulic Oil Fill Level Cold Middle of Sight Tube AWARNING VEHICLE LOAD CAPACITY ON LAND 907 kg 2 000 lbs TOWING CAPACITY 1134 kg 2...

Page 13: ...nts must wear a DOT certified helmet There are seat belts for the front two passengers Use the seat belts at all times on land and ensure the ROPS system is up Any time the vehicle is in water you mus...

Page 14: ...uted on land and in water Towing Capacity With a trailer attached to the rear of the Mudd Ox you can haul a maximum combined 2 500 lbs with trailer and cargo Prepare Your Trip The Mudd Ox is capable o...

Page 15: ...onal effect Wind Speed in MPH Danger from freezing of exposed flesh Equivalent Temperature F Actual Thermometer Reading F GREAT DANGER LITTLE DANGER INCREASED DANGER Wind chill is the feeling of colde...

Page 16: ...11 6 1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20...

Page 17: ...case of emergency Leave enough fuel to return back to your starting location 7 Range Switch This switch controls the High and Low range of the Mudd Ox High range is only to be used for travel Any wor...

Page 18: ...13 6 1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20...

Page 19: ...30 seconds and then try again See manufacturer s engine manual for additional information 15 MIL Fuse Fuse holder for MIL light See page 39 and manufacturer s engine manual for additional information...

Page 20: ...rator stick location Engine Startup Insert key Turn completely clockwise to start engine release once started If the engine fails to start after 10 seconds turn off the key for 5 to 30 seconds and the...

Page 21: ...counter rotate the vehicle carefully operate the levers in opposite directions Please note that smooth minor movements on the controls are all that is needed to drive the Mudd Ox Climbing Steep Hills...

Page 22: ...ming from the Mudd Ox inspect immediately Never drive into remote areas alone Notify someone about your entire trip schedule including departure route and return plans They should call emergency servi...

Page 23: ...imes it is caused by driving into deep ruts or too deep of snow Always look for alternative routes if you encounter these circumstances Winter Mudd Ox is capable of operating in cold climates Check th...

Page 24: ...ns in case of emergency If there is an emergency all occupants are to leave the vehicle quickly and get to safety Entering Water Ensure drain plugs are installed Page 20 Figure 1 Mudd Ox can only be u...

Page 25: ...le is not equipped with a bilge pump do so immediately Exiting Water Locate hard packed shoreline at a 25 degree angle or less Point the Mudd Ox straight Slowly and gently drive the vehicle out of the...

Page 26: ...This allows operators to grab onto the winch hook and extend the winch line without having to hold the switch Note After extending the winch line to your desired length remember to twist the knob to e...

Page 27: ...ree spool 5 For additional safety place a weighted object over the winch line such as a blanket In the event the winch line snaps it will prevent the line from whipping in the air and causing serious...

Page 28: ...Ox was designed with ease of maintenance in mind We understand the need for quick and painless access to all compo nents of the machine Listed on the next few pages are detailed photographs displaying...

Page 29: ...24 Overview of a wheel motor Hydraulic pumps under the operator s seat Open engine compartment Quickly removed parts without tools...

Page 30: ...engine cover and remove them Carefully lift the engine cover out of its track and pull straight back Rear Seat Back Removal If a rear seat back is installed simply flip the lower seat cushion forward...

Page 31: ...tank cover To gain access to the fuel filter and fuel pump with rear seat simply flip the lower seat cushion forward If equipped with fuel tank cover and no rear seat remove the bolts holding the fue...

Page 32: ...uctions Ford Service Part Number 1S7G 6714 DA Motorcraft FL 910 Ford Oil Fill Nearest to the air filter is the engine oil fill cap When filling the oil it is recom mended to use a funnel to prevent sp...

Page 33: ...at the clear sight glass mounted to the side of the tank As noted on the warning label hydraulic oil must be 1 5 from the top of the sight glass Hydraulic Oil Filters Under the operator seat there ar...

Page 34: ...side weatherproof caps Remove the cap to gain access to the fuse At the top of each fuse is a number This dic tates the number of amps it is rated for Always replace a fuse with the same amp rating Fu...

Page 35: ...small metal strand X If it is broken or the fuse is discolored it is blown See pages 37 38 Relay Pictured is a relay removed from its mount Each relay has terminals extending from the bottom which dic...

Page 36: ...her making the ends meet Note If you cannot get the ends to meet it may be necessary to wrap a ratchet strap around the track Then tighten the strap until the ends meet 6 Run the track cable Figure 1...

Page 37: ...zontal in the closed position Close the valve by pulling the handle up vertical until it firmly stops 3 It s time to release the hydraulic brakes Located on the driver side under the lower operator se...

Page 38: ...se Fine Coarse Fine 4 5 2 4 8 4 3 6 9 6 8 9 7 9 8 19 8 18 4 16 2 10 22 8 31 7 21 2 29 3 18 6 25 9 1 4 4 4 7 6 3 7 3 9 10 6 3 7 8 5 7 7 3 5 1 6 4 5 16 8 9 13 14 18 20 11 11 8 10 3 10 9 8 9 9 7 3 8 15 1...

Page 39: ...adjustment at one location it musted be adjusted at the other If both locations are out of adjustment new steering cables are required a Remove the lower operator seat seat back and L seat bracket Th...

Page 40: ...B a spring C and a small hole D Ensure the inside axle is free of debris such as dirt Only clean grease is acceptable 3 Use a grease gun with high temperature marine grease Attach to the grease fitti...

Page 41: ...36 Axle Bearing Locations X Center axle bearing location on Mudd Ox Fort Mac X X X X...

Page 42: ...f it is blown On the inside of a fuse is a small metal strand If it is broken and or the fuse is discolored it is blown If the strand appears whole it may not be blown or the strand is broken in an ar...

Page 43: ...use relay simply went bad If this solution did not fix the problem move to step 4 4 Remove the battery Trace all the wires connected to the fuse or relay and component that is non operational A wire m...

Page 44: ...as described in the Ford Service Manual It is used to decipher engine codes Figure 1 B is the corresponding Ford fuse Figure 2 C and D represent the 2 different locations of the diagnosis grounding s...

Page 45: ...e If you cannot remove the filter by hand a pair of oil filter pliers may be required The filter will be full of oil Carefully remove from machine without spilling After removal verify the rubber o ri...

Page 46: ...ly twist the valves to close Figure 2 D Coolant Change 1 Ensure engine is completely cool Remove engine cover 2 Locate the lower radiator hose as shown on Figure 1 C 3 Holding the hose onto the engine...

Page 47: ...the oil tank from front view the op posite orientation of Figure 1 Figure 2 E shows the fitting where the inline oil lines connect The filters are approximately 4 away from the fitting Spin counter cl...

Page 48: ...time Ensure the oil level lowers If it does not shut engine off immediately Wait a minute then try again It may take a few attempts before oil begins to pull into the system 14 This step is extremelly...

Page 49: ...vers in reverse Then slowly move control levers backward Continue to move the control levers with varying degrees of stroke Note It is very important to not drive against the air as this will damage t...

Page 50: ...ttempting to turn over the engine may be catastrophic You will complete these steps later 3 Now prepare the engine Remove the air filter drain any water inside the intake manifold The K N is serviceab...

Page 51: ...o the fuel tank This means the fuel system is properly cycled 13 Now complete steps 14 16 on page 43 Due to the physical properties of water and oil naturally separating it may take a significant amou...

Page 52: ...machine 3 After the Mudd Ox is completely clean grease each fitting as described on page 35 4 Fully charge the battery Then disconnect or install a battery tender 5 Completely drain fuel or add fuel...

Page 53: ...48 PARTS MANUAL...

Page 54: ...49 13 12 9 3 10 4 5 14 11 15 1 2 6 7 8...

Page 55: ...1855 85 HP Muffler 6 2 M 1019 Seat Belt Latch 7 2 M 1011 Seat Belt Retractable 8 1 M 1004 XB XL Upper Body Black 9 1 M 1003 XL XL Lower Tub Black 10 2 M 2373 550 Track Lacing 11 168 M 1020 Plastic Tr...

Page 56: ...51 1 4 5 6 11 12 3 2 13 7 14 15 8 10 9...

Page 57: ...M 1860 Roller Fairlead 6 1 M 1032 Winch Plate 7 1 M 3350 Remote Winch Plug 8 1 M 3103 All Hydraulic Front Motor RH 9 1 M 3102 All Hydraulic Front Motor LH 10 2 M 1777 Front Strengthening Plate 11 1 M...

Page 58: ...53 18 17 16 8 14 13 11 15 10 9 19 12 2 7 3 6 5 4 20 1...

Page 59: ...e 7 1 M 3620 Hydraulic Hose 8 1 M 1007 Rub Rail 9 1 M 2229 Fuel Fill Door 10 1 M 1929 Gasoline Warning Label 11 1 M 1026 Rub Rail Clip 12 2 M 3101 All Hydraulic Rear Motor 13 2 M 1750 2 Rear Strengthe...

Page 60: ...55 2 9 3 1 8 5 6 4 10 11 7...

Page 61: ...Hydraulic 3 2 M 1692 20x11 Metal Screen 4 2 M 1691 20x6 Metal Screen 5 2 M 1376 Bilge Outlet 6 3 M 1317 Mudd Ox Badge 7 20 0 M 3276 Center Lug bolts 2018 and Older 8 8 M 2241 26x14x12 Vendetta Tire 9...

Page 62: ...57 2 4 6 12 11 13 14 5 1 7 10 8 9 3...

Page 63: ...5 4 M 1041 Rubber Handle Grip 6 1 M 3434 Heater Vent Box 7 1 M 1044 T Bar Handle 8 1 M 1043 Load Capacities Label 9 1 M 1208 T Bar Cover Plate 10 1 M 1925 Driver Safety Warning Label 11 1 M 1662 R XL...

Page 64: ...59 16 11 9 4 3 1 15 5 8 10 12 13 14 7 17 2 6 19 18...

Page 65: ...oolant Hose 7 1 M 3229 85 HP Exhaust Header 8 1 M 3382 Exhaust Pipe Assembly 9 1 M 1099 Plastic Coolant Reservoir Canister 10 1 M 3234 K N Air Filter 11 1 M 2330 Aluminum Coolant Fill Canister 12 1 M...

Page 66: ...61 18 1 2 5 6 11 13 12 7 9 10 15 8 4 16 14 3 17...

Page 67: ...6 2 M 1933 Dampener 7 2 M 1077 2 Ball Stud 8 2 M 1206 R Rear Z Bar 9 2 M 3215 Steering Cable 10 1 M 1206 F Front Z Bar 11 1 M 1097 Battery 12 2 M 1400 J Hook Battery Hold Down 13 1 M 1844 All Hydrauli...

Page 68: ...63 22 21 20 11 10 12 14 8 6 3 19 7 1 4 18 16 13 15 9 2 5 17...

Page 69: ...ill Hose 8 1 M 3184 1 1 2 Steel Barb 9 1 M 2005 Brass Fitting 10 1 M 1304 Fuel Line 11 1 M 1390 Electric Fuel Pump 12 1 M 3260 Sending Unit 13 1 M 1304 Fuel Line 14 1 M 2941 Fuel Filter 85 HP Ford 15...

Page 70: ...65 13 15 12 11 10 9 7 5 6 8 14 16 2 1 3 4...

Page 71: ...5 4 M 1804 Idler Spindle 6 4 M 1787 H Idler Hub 7 4 M 3616 Wheel Bearing Protector 8 1 M 3150 Ripsaw Track Set XL 9 1 M 1417 Sony Marine Stereo Kit 10 1 M 3280 Cab Radio Box 11 1 M 1857 XL Rear Roll...

Page 72: ...67 Mudd Ox Dimensions...

Page 73: ...ormed on everything Mudd Ox If you have additional questions or inquiries please contact your nearest dealer or Mudd Ox directly 8525 W 750 N Shipshewana IN 46565 1 260 768 7221 www muddox net info mu...

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Page 76: ...Address Phone Web 8525 W 750 N Shipshewana IN 46565 1 260 768 7221 www muddox net Mudd Ox Inc Ver 0919 All specifications subject to change without notice...

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