{"product_id":"challenger-tracked-tractor-mt851-2021-2025-spare-parts-catalog-manual-pdf","title":"Challenger Tracked Tractor MT851, 2021-2025 Spare Parts Catalog Manual PDF","description":"\u003ch1\u003eDownload Challenger Tracked Tractor MT851, 2021-2025 Spare Parts Catalog Manual PDF\u003c\/h1\u003e\n\u003cp\u003e✅⭐⭐⭐⭐⭐ \u003cspan style=\"text-decoration: underline; color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003e𝙃𝙞𝙜𝙝𝙡𝙮 𝙍𝙖𝙩𝙚𝙙 – 5-𝙎𝙩𝙖𝙧 𝙍𝙚𝙫𝙞𝙚𝙬𝙨 𝙛𝙧𝙤𝙢 𝙍𝙚𝙖𝙡 𝘾𝙪𝙨𝙩𝙤𝙢𝙚𝙧𝙨\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eChallenger Tracked Tractor MT851, 2021–2025 Spare Parts Catalog Manual PDF is a complete reference guide for technicians, operators, and equipment owners. It includes detailed OEM parts breakdowns, exploded diagrams, and illustrations covering all systems and assemblies. The manual helps identify correct spare parts maintenance, repair, replacement tasks, ensuring reduced downtime and improved efficiency. Ideal for workshops, dealers, and fleet maintenance teams, this catalog supports precise ordering and reliable servicing of Challenger MT851 tracked tractors across 2021 to 2025 models. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ewww.themanualsgroup.com\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eModel Covered :\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eChallenger Tracked Tractor MT851, 2021-2025\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eContents Included :\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eGeneral Information\u003cbr\u003eFilters Guide\u003cbr\u003eBelts Guide\u003cbr\u003eSensors Guide\u003cbr\u003eEngine Acj0010480 D3876le141 T4f\u003cbr\u003eEngine – Engine Bracket\u003cbr\u003eCrankcase\u003cbr\u003eTiming Gears \u0026amp; Housing\u003cbr\u003eFlywheel \u0026amp; Housing\u003cbr\u003eCrankshaft \u0026amp; Pistons\u003cbr\u003eCamshaft \u0026amp; Valve Mechanism\u003cbr\u003eCylinder Head \u0026amp; Valve Mechanism\u003cbr\u003eValve Rocker Cover\u003cbr\u003eAir Intake\u003cbr\u003eExhaust Manifold\u003cbr\u003eTurbocharger\u003cbr\u003eExhaust Gas Recirculation (Egr)\u003cbr\u003eOil Pump \u0026amp; Sump\u003cbr\u003eOil Cooler \u0026amp; Oil Filter\u003cbr\u003eCoolant Piping\u003cbr\u003eCoolant Pump \u0026amp; Thermostat\u003cbr\u003eFuel Injection System\u003cbr\u003eFuel Filter\u003cbr\u003eElectronic Engine Management – Sensor\u003cbr\u003eElectronic Engine Management – Wiring Harness\u003cbr\u003eElectronic Engine Management – Bracket\u003cbr\u003eWiring Harness – Injector\u003cbr\u003eBelt Tensioner\u003cbr\u003eEngine Gasket Kits\u003cbr\u003eSpecial Overhaul Parts\u003cbr\u003eEngine Acj0010520 D3876le143 Stage 5\u003cbr\u003eCylinder Block\u003cbr\u003eEngine Installation\u003cbr\u003eEngine Bracket\u003cbr\u003eEngine – Accessories\u003cbr\u003eEngine Block Heater – 120v\u003cbr\u003eEngine Block Heater – 240v\u003cbr\u003eHydraulic Fan\u003cbr\u003eHydraulic Fan – Hydraulic Tank\u003cbr\u003eHydraulic Fan – Hydraulic Pump \u0026amp; Lines\u003cbr\u003eHydraulic Fan – Oil Cooler \u0026amp; Lines\u003cbr\u003eHydraulic Fan – Lines\u003cbr\u003eCooling – Radiator \u0026amp; Hoses\u003cbr\u003eCooling – Radiator (Components)\u003cbr\u003eCooling – Expansion Tank\u003cbr\u003eCooling – Hydraulic Lines\u003cbr\u003eCooling – Plugs\u003cbr\u003eEngine Air Filter\u003cbr\u003eExhaust\u003cbr\u003eExhaust – Shield\u003cbr\u003eExhaust – Def Tank\u003cbr\u003eFuel – Tank\u003cbr\u003eFuel – Lines\u003cbr\u003eSteering System\u003cbr\u003eSteering Wheel \u0026amp; Column\u003cbr\u003eSteering Column (Components)\u003cbr\u003eSteering Pump \u0026amp; Lines\u003cbr\u003eSteering Gear\u003cbr\u003eDrivetrain System\u003cbr\u003eDriveline\u003cbr\u003eTransmission Oil Heater – 120v\u003cbr\u003eTransmission Oil Heater – 240v\u003cbr\u003eFilling Pipe – Transmission\u003cbr\u003eTransmission Housing\u003cbr\u003eRear Axle – Housing\u003cbr\u003eRear Axle – Rear Cover\u003cbr\u003eTransmission\u003cbr\u003eTransmission – Pivot\u003cbr\u003eChannel Plate – Valves\u003cbr\u003eAdjusting Device – Lever\u003cbr\u003eAdjusting Device – Governor\u003cbr\u003eTransmission – Pipe Lines\u003cbr\u003eShifting\u003cbr\u003eRear Axle Differential – Bevel Drive\u003cbr\u003eRear Axle Differential\u003cbr\u003eRear Axle Differential – Left Side\u003cbr\u003eRear Axle Differential – Right Side\u003cbr\u003eHandbrake\u003cbr\u003eRear Axle – Brakes\u003cbr\u003eRear Axle – Final Drive\u003cbr\u003eValve Syst.Comfort\u003cbr\u003ePump Drive\u003cbr\u003eFilter\u003cbr\u003eValve Block (Components) – Pressure Filter\u003cbr\u003eOil Cooler\u003cbr\u003eBrake Hydraulics\u003cbr\u003eGear Pump\u003cbr\u003eValve Block (Components) – Comfort System\u003cbr\u003eTransmission – Adjusting Device\u003cbr\u003eGearbox – Transmitter\u003cbr\u003eTest Pressure Ports – Sos _ Xmsn\u003cbr\u003eBrake System\u003cbr\u003eBrake Pedal\u003cbr\u003eBrake Lines\u003cbr\u003eSteering Valve \u0026amp; Lines\u003cbr\u003eParking Brake Lever – Modulating\u003cbr\u003eParking Brake Lever – Standard\u003cbr\u003eParking Brake Lines – Standard\u003cbr\u003eParking Brake Lines – Modulating\u003cbr\u003eParking Brake – Brake Valve \u0026amp; Accumulator\u003cbr\u003eBrake Valve (Components)\u003cbr\u003eWithout Hydraulic Trailer Brake\u003cbr\u003eAir Trailer Brake – Lines\u003cbr\u003eAir Trailer Brake – Brake Valve\u003cbr\u003eAir Trailer Brake – Coupler\u003cbr\u003eHydraulic Trailer Brake – Lines\u003cbr\u003eCompressed Air System\u003cbr\u003eAir Compressor \u0026amp; Lines\u003cbr\u003eAir Tank \u0026amp; Lines\u003cbr\u003eHydraulic System\u003cbr\u003eDrain (Ecology)\u003cbr\u003eHydraulic Tank\u003cbr\u003eHydraulic Tank – Single Filter\u003cbr\u003eHydraulic Tank – Dual Filter\u003cbr\u003eHydraulic Lines\u003cbr\u003eGear Pump – Single Pump\u003cbr\u003eHydraulic Pump \u0026amp; Lines – Single Pump\u003cbr\u003eHydraulic Lines – Single Pump\u003cbr\u003eHydraulic Pump \u0026amp; Lines – Dual Pump\u003cbr\u003eGear Pump – Dual Pump\u003cbr\u003eHydraulic Lines – Dual Pump\u003cbr\u003eCase Drain\u003cbr\u003eLow Pressure Return – Female\u003cbr\u003eLow Pressure Return – Male\u003cbr\u003eLow Pressure Return\u003cbr\u003eSingle \u0026amp; Dual Pump – Drawbar Narrow\u003cbr\u003eSingle \u0026amp; Dual Pump – Drawbar Wide\u003cbr\u003eSingle \u0026amp; Dual Pump – 3 Point Hitch\u003cbr\u003eHydraulic Supply – ¾ Female Pressure With ¼ Female Load Sense\u003cbr\u003eHydraulic Supply – ¾ Female Pressure With 3_8 Female Load Sense\u003cbr\u003eHydraulic Supply – Dual 3_4_ Low Pressure Return\u003cbr\u003eHydraulic Supply – Single 3_4_ Low Pressure Return\u003cbr\u003e1_2_ Coupling Sleeve – 4 Distributors\u003cbr\u003e1_2_ Coupling Sleeve – 6 Distributors\u003cbr\u003e1_2_ Coupling Sleeve – 8 Distributors\u003cbr\u003e1_2_ Coupling Sleeve – (Components)\u003cbr\u003e3_4_ Coupling Sleeve – (Components)\u003cbr\u003e3_4_ Ffc Coupler – (Components)\u003cbr\u003eDistributor – Cover\u003cbr\u003eAuxiliary Valve\u003cbr\u003eAuxiliary Valve – 4 Distributors\u003cbr\u003eAuxiliary Valve – 6 Distributors\u003cbr\u003eAuxiliary Valve – 8 Distributors\u003cbr\u003eAuxiliary Valve – 7 Distributors\u003cbr\u003eDistributor (Components)\u003cbr\u003eDistributor (Components) – End Plate\u003cbr\u003eTest Pressure Ports – Hoses\u003cbr\u003eElectrical System\u003cbr\u003eLighting – Road Lights\u003cbr\u003eLighting – Side Marker Light\u003cbr\u003eLighting – Wide Load Warning\u003cbr\u003eLighting – Signal Light\u003cbr\u003eLighting – Roof\u003cbr\u003eLighting – Rotary Beacon\u003cbr\u003eLighting – Reflectors\u003cbr\u003eLighting – Warning Plate\u003cbr\u003eLighting – Safety Triangle\u003cbr\u003eWork Lights – Cab\u003cbr\u003eWork Lights\u003cbr\u003eBatteries \u0026amp; Cables\u003cbr\u003eWiring Harness – Chassis\u003cbr\u003eWiring Harness – Front Console\u003cbr\u003eWiring Harness – Cab\u003cbr\u003eWiring Harness – Roof\u003cbr\u003eWiring Harness – Trailer\u003cbr\u003eFuse Panel\u003cbr\u003eFuse Panel – Fuses \u0026amp; Relays\u003cbr\u003eArmrest\u003cbr\u003eArmrest (Components)\u003cbr\u003eArmrest – Monitoring Display\u003cbr\u003eNt01 – Mounting Bracket\u003cbr\u003eNt01 Kit\u003cbr\u003eMounting Bracket\u003cbr\u003eMonitor Mounting – Vertical \u0026amp; Horizontal\u003cbr\u003eCab\u003cbr\u003eCab Support – Basic\u003cbr\u003eCab Support – Deluxe\u003cbr\u003eCab Frame\u003cbr\u003eCab Glass – Windshield \u0026amp; Right Side\u003cbr\u003eCab Glass – Rear Window\u003cbr\u003eDoor\u003cbr\u003eRoof – Outer\u003cbr\u003eRoof – Inner\u003cbr\u003eWasher \u0026amp; Wiper\u003cbr\u003eTrim – Roof\u003cbr\u003eTrim – Right Side\u003cbr\u003eTrim – Left Side\u003cbr\u003eTrim – Storage Box\u003cbr\u003eTrim – Instrument Panel\u003cbr\u003eTrim – Steering Column\u003cbr\u003eInsulation\u003cbr\u003eFootrest\u003cbr\u003eOperator Seat – Basic\u003cbr\u003eOperator Seat (Components) – Basic\u003cbr\u003eOperator Seat – Mid Spec\u003cbr\u003eOperator Seat (Components) – Mid Spec\u003cbr\u003eOperator Seat – Deluxe\u003cbr\u003eOperator Seat (Components) – Deluxe\u003cbr\u003ePedals\u003cbr\u003eRadio\u003cbr\u003eRadio – Remote Control\u003cbr\u003eRadio – Wiring Harness\u003cbr\u003eRadio – Speakers\u003cbr\u003eRear View Mirror\u003cbr\u003eFenders\u003cbr\u003eSun Visor\u003cbr\u003eAccessories\u003cbr\u003eLicense Plate Holder\u003cbr\u003eAir Conditioning And Heating System\u003cbr\u003eCondenser \u0026amp; Compressor\u003cbr\u003eCondenser (Components)\u003cbr\u003eHvac System (Heating, Ventilation \u0026amp; Air Conditioning) – Filters\u003cbr\u003eHvac System (Heating, Ventilation \u0026amp; Air Conditioning)\u003cbr\u003eHvac System (Heating, Ventilation \u0026amp; Air Conditioning) – Kit\u003cbr\u003eHvac System (Heating, Ventilation \u0026amp; Air Conditioning) – Ventilation\u003cbr\u003eRefrigerant Lines\u003cbr\u003eChassis\u003cbr\u003eHood – Latch\u003cbr\u003eHood – Front Grille\u003cbr\u003eHood – Engine Hood\u003cbr\u003eHood – Side Panels\u003cbr\u003eHood – Frame\u003cbr\u003eRight Side Platform \u0026amp; Roof Handrail\u003cbr\u003ePlatform \u0026amp; Handrail\u003cbr\u003eHandrail – Middle\u003cbr\u003eEntry Ladder – Standard\u003cbr\u003eEntry Ladder – Pivoting\u003cbr\u003eSupporting Structure\u003cbr\u003eGuards – Transmission\u003cbr\u003eGuards – Starter Motor\u003cbr\u003eDecals\u003cbr\u003eEmblems\u003cbr\u003eSafety \u0026amp; Warning – Engine\u003cbr\u003eSafety \u0026amp; Warning – Cab\u003cbr\u003eSafety \u0026amp; Warning – Chassis\u003cbr\u003eSafety \u0026amp; Warning – Electrical\u003cbr\u003eSafety \u0026amp; Warning – Rear Hitch\u003cbr\u003eTrack Belt System\u003cbr\u003eUndercarriage Support\u003cbr\u003eUndercarriage Support – Shock Absorber\u003cbr\u003eUndercarriage\u003cbr\u003eTension Cylinder\u003cbr\u003eTensioner Charge Hose\u003cbr\u003eIdler Wheel\u003cbr\u003eIdler Wheel \u0026amp; Wheel Drive\u003cbr\u003eEjector Wide\u003cbr\u003eMidwheel – Bogie\u003cbr\u003eMidwheel – Poly\u003cbr\u003eTracks – Narrow\u003cbr\u003eTracks – Medium\u003cbr\u003eTracks – Wide\u003cbr\u003eTracks\u003cbr\u003eDebris Deflector\u003cbr\u003eWheel Chocks\u003cbr\u003eImplement Drive System\u003cbr\u003eWithout Pto (Power Take-Off) – Electric\u003cbr\u003ePto (Power Take-Off)\u003cbr\u003ePto (Power Take-Off) – Shifting\u003cbr\u003ePto (Power Take-Off) Guard\u003cbr\u003eImplement Lift System Rear\u003cbr\u003e3 Point Hitch – Frame\u003cbr\u003e3 Point Hitch – Lift Cylinders (110 Mm)\u003cbr\u003e3 Point Hitch – Lift Cylinders (130 Mm)\u003cbr\u003e3 Point Hitch – Top Link\u003cbr\u003e3 Point Hitch – Lift Links\u003cbr\u003e3 Point Hitch – Electrical Components\u003cbr\u003e3 Point Hitch – Steerable Hitch Cylinders\u003cbr\u003e3 Point Hitch – Steerable Hitch Lines\u003cbr\u003e3 Point Hitch – Basic Parts\u003cbr\u003e3 Point Hitch – Quick Hitch\u003cbr\u003e3 Point Hitch – Plugs\u003cbr\u003eDrawbar – Support\u003cbr\u003eDrawbar – Steerable Hitch Cylinders\u003cbr\u003eDrawbar – Steerable Hitch Lines\u003cbr\u003eDrawbar\u003cbr\u003eDrawbar – Fixed\u003cbr\u003eDrawbar – Pivoting\u003cbr\u003eDrawbar – Swinging Drawbar\u003cbr\u003ePin – Adapter\u003cbr\u003ePrecision Farming Systems\u003cbr\u003eGround Speed Sensor\u003cbr\u003eGuidance Ready\u003cbr\u003eAuto-Guide – Receiver\u003cbr\u003eAuto-Guide – Radio\u003cbr\u003eGyroscope\u003cbr\u003eTrimble – Receiver\u003cbr\u003eTrimble – Antenna\u003cbr\u003eGateway\u003cbr\u003eGateway – Combined Gsm_Lte Modem\u003cbr\u003eGateway – Plugs\u003cbr\u003eAttachments\u003cbr\u003eTow Cable – Front\u003cbr\u003eTowing System, Front\u003cbr\u003eWeight Carrier, Front\u003cbr\u003eFront Weights – 2017lbs (915kg)\u003cbr\u003eFront Weights – 3647lbs (1654kg)\u003cbr\u003eFront Weight – 4410lbs (2000kg)\u003cbr\u003eIdler Wheel Counterweight – Hardware\u003cbr\u003eIdler Wheel Counterweight – 2000lbs (907kg)\u003cbr\u003eIdler Wheel Counterweight – 3500lbs (1588kg)\u003cbr\u003eIdler Wheel Counterweight – 4500lbs (2041kg)\u003cbr\u003eUndercarriage Weights – 6000lbs (2721kg)\u003cbr\u003eDrive Wheel Counterweight – 1140lbs (517kg)\u003cbr\u003eDrive Wheel Counterweight – 2135lbs (968kg)\u003cbr\u003eDrive Wheel Counterweight – 3130lbs (1420kg)\u003cbr\u003eDrive Wheel Counterweight – 2280lbs (1034kg)\u003cbr\u003eDrive Wheel Counterweight – 2500lbs (1134kg)\u003cbr\u003eTool Box\u003cbr\u003eFire Extinguisher\u003cbr\u003eConversion Kit – Dual Pump\u003cbr\u003eCase Drain Kit – Flat Face Coupler\u003cbr\u003eHydraulic Filter (Components) – 32 Micron\u003cbr\u003ePower Beyond Kit – Single 85cc 3_4 Female Pressure 1_4 Female Load\u003cbr\u003ePower Beyond Kit – Single 85cc Single 3_4 Female Pressure 3_8 Female Load\u003cbr\u003ePower Beyond Kit – Dual 85cc 3_4 Female Pressure 1_4 Female Load\u003cbr\u003ePower Beyond Kit – Dual 85cc 3_4 Female Pressure 3_8 Female Load\u003cbr\u003eLow Pressure Return Kit – 85cc Dual 3_4 Female Flat Face Return\u003cbr\u003eLow Pressure Return Kit – 85cc Dual 3_4 Male Flat Face Return\u003cbr\u003eLow Pressure Return Kit – Dual 85cc Dual 3_4 Female Flat Face Return\u003cbr\u003eLow Pressure Return Kit – Dual 85cc Dual 3_4 Male Flat Face Return\u003cbr\u003eConversion Kit – 4 =_ 5 Distributors\u003cbr\u003eConversion Kit – 4 =_ 6 Distributors\u003cbr\u003eConversion Kit – 5 =_ 6 Distributors\u003cbr\u003eConversion Kit – 6 =_ 8 Distributors\u003cbr\u003eExtra Key Kit\u003cbr\u003eEntry Ladder Kit\u003cbr\u003ePivoting Entry Ladder Kit\u003cbr\u003eRoller Frame Restraint Kit\u003cbr\u003eDrive Wheel Counterweight Kit – 1000lbs (454kg)\u003cbr\u003ePto (Power Take-Off) Kit\u003cbr\u003eCamera Kit (Agcam)\u003cbr\u003eCamera Adapter Kit – Motec\u003cbr\u003eMonitor Mounting – Top\u003cbr\u003eMonitor Mounting – Bottom\u003cbr\u003eAxle Tool Kit\u003c\/p\u003e\n\u003ctable style=\"width: 99.915%; height: 215.625px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003cth style=\"width: 30.4474%; height: 19.6023px;\"\u003eField\u003c\/th\u003e\n\u003cth style=\"width: 66.9841%; height: 19.6023px;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 30.4474%; height: 19.6023px;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9841%; height: 19.6023px;\"\u003e82.36 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 30.4474%; height: 19.6023px;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eFormat\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9841%; height: 19.6023px;\"\u003ePDF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 30.4474%; height: 19.6023px;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eLanguage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9841%; height: 19.6023px;\"\u003eEnglish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 30.4474%; height: 19.6023px;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9841%; height: 19.6023px;\"\u003eChallenger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 30.4474%; height: 19.6023px;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eType of Machine\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9841%; height: 19.6023px;\"\u003eTracked Tractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 30.4474%; height: 19.6023px;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eType of Manual\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9841%; height: 19.6023px;\"\u003ePart Book\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 30.4474%; height: 19.6023px;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9841%; height: 19.6023px;\"\u003eChallenger MT851 (2021–2025 Tracked Tractor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 30.4474%; height: 19.6023px;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eSerial Number Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9841%; height: 19.6023px;\"\u003eMXXX1001 – PXXX9999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 30.4474%; 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