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John Deere Dozer Parts: Aftermarket JD Bulldozer Parts
EquipXR supplies aftermarket parts compatible with the full John Deere dozer lineup, from compact crawler dozers to large production machines. Every part we stock is manufactured to meet or exceed OEM specifications, giving you the performance and reliability you need at a fraction of dealer pricing.
With 50,000+ parts in inventory across 12+ warehouse locations nationwide, we ship fast, so your machine isn’t sitting idle waiting on a parts order. Whether you need undercarriage components, tracks, engine parts, hydraulics, or cab components, EquipXR has you covered.
Your Source For Aftermarket John Deere Dozer Parts
Sourcing parts through a John Deere equipment dealer often results in higher prices and longer lead times, especially for older machines or high-demand components. EquipXR offers a better alternative. We specialize in OEM-quality aftermarket parts that match the fit, performance, and durability of original John Deere components. When you order from EquipXR, you get the reliability you need without paying a premium or having your machines sitting idle while waiting for a backordered part to ship.
Our catalog spans the major wear and service categories across John Deere’s entire construction equipment lineup. Our team brings real expertise in heavy equipment parts and helps you find the right part by cross-referencing with OEM parts. When you work with us, you’re not just placing an order, you’re getting help making sure the part is right the first time. That combination of selection, value, and support is what makes EquipXR a dependable parts partner for contractors, fleet managers, and owner-operators.
Aftermarket John Deere Dozer Parts For All Models & Generations
EquipXR supplies aftermarket John Deere dozer parts for repairs, maintenance, component rebuilds, and major machine overhauls. Whether you need a single replacement part or components for a complete rebuild, we can help identify and source parts that fit your John Deere crawler dozer.
Our parts coverage includes current and legacy John Deere dozers, from compact 450 and 550 machines to larger 850, 950, and 1050 models. We supply replacement parts for undercarriages, engines, transmissions, final drives, hydraulic systems, blades, cooling systems, fuel systems, electrical systems, and other major components.
Have an OEM part number? Send it to EquipXR. We can cross-reference John Deere part numbers against available aftermarket parts for John Deere equipment and help you find the right replacement.
John Deere Dozer Parts by Part Categories
If you know which system you’re working on, shopping by category is the fastest way to find what you need. EquipXR supplies aftermarket John Deere dozer parts across every major component group, from high-wear undercarriage and track parts to engine, hydraulic, and cab components.
Select a category below to see the parts we supply for each system. Have your machine’s model and serial number ready when you request a quote, since John Deere changes components between generations and sometimes within a single production run.
Undercarriage Parts
Dozer Track Parts
Dozer Engine Parts
Dozer Hydraulic Parts
Cab & Operator PartsFind Aftermarket Replacement Parts by JD Dozer Series
John Deere dozer model names tell you most of what you need to order the right part. The number is the size class, running from the compact 450 up to the 1050, John Deere’s largest dozer. The letter that follows is the generation, such as G, H, J, K, or L, and the newest machines use the P-Tier and X-Tier names instead. Track configuration matters too: an XLT and an LGP version of the same model use different undercarriage and blade parts.
Generation is where most ordering mistakes happen. Drivetrains, engines, and emissions equipment changed over the years, so a part that fits one generation may not fit the next. Find your series below for the key differences between generations and the models we support, then send us your serial number and we’ll confirm fitment before you order.
JD 450 Series: 450 P-Tier & Older Generations
The 450 is John Deere’s longest-running dozer line, in production since 1965 and now in its tenth generation. The most important dividing line for parts is the drivetrain. Models through the 450G use gear or powershift transmissions with steering clutches and brakes, while the 450H of 1999 and everything after it use dual-path hydrostatic drive, so transmission, steering and final drive parts do not cross over. Engines and emissions equipment also changed along the way.
These smaller crawler dozers are suited to work where maneuverability is important, including grading, utility construction, site preparation, residential construction, landscaping, and general earthmoving.
EquipXR can help source replacement parts for John Deere 450 dozers, including track chains, rollers, idlers, sprockets, track shoes, adjusters, final-drive components, hydraulic parts, engine parts, transmission components, cooling-system parts, blade components, pins, bushings, seals, and hardware.
John Deere 450 Series Models & Variants: 450P, 450K, 450J, 450H, 450G, 450E, 450D, 450C, 450B, & 450
JD 550 Series: 550 P-Tier & Older 550 Generations
The John Deere 550 line launched in the mid-1970s and has run through eight generations: the original 550, then the 550A, 550B, 550G, 550H, 550J, 550K and the current 550 P-Tier. The 550G and earlier machines use powershift transmissions with clutch-and-brake steering, and the 550H onward are hydrostatic. Most generations use a 4.5L four-cylinder engine, but internals and emissions hardware differ from one to the next.
The John Deere 550 family provides additional pushing and grading capacity while remaining compact enough for many utility, residential, roadbuilding, and site-development applications. Earlier 550 machines also remain in operation, making aftermarket support valuable for owners maintaining equipment across several generations. EquipXR can source John Deere 550 dozer parts for undercarriage repairs, engine work, hydraulic repairs, transmission rebuilds, final-drive repairs, blade maintenance, and other projects.
John Deere 550 Series Models & Variants: 550P 550K, 550J, 550H, 550G, 550B, 550A, & 550
JD 650 Series: 650 P-Tier & Older 650 Generations
The 650 has had five generations and was a new size class when the G-series arrived in 1987. The 650G is a turbocharged four-cylinder machine with a powershift transmission, and every 650 from the H onward is hydrostatic. Pay close attention on the 650K, which was built in two versions: an early Interim Tier 4 machine and a later Final Tier 4 machine with different emissions equipment and electro-hydraulic controls. Your serial number and track configuration, such as XLT or LGP, will determine the correct undercarriage and blade parts.
These machines are commonly used for grading, excavation support, road construction, land clearing, site development, and general construction. Replacement parts are available across major machine systems, including the undercarriage, engine, transmission, final drives, hydraulics, blade, fuel system, electrical system, and cooling system.
John Deere 650 Series Models & Variants: 650P, 650K, 650J, 650H, & 650G
JD 700 Series: 700 P-Tier & Older 700 Generations
The 700 was introduced around 2000 as the 700H to fill the gap between the 650 and the 750. It has had five generations: the 700H, 700J, 700K, 700L and the current 700 P-Tier. Every 700 is hydrostatic and uses a 6.8L six-cylinder engine, which keeps the line more consistent than the smaller dozers.
EquipXR can source aftermarket parts for all 700-series machines. Common undercarriage repair needs include track chains, bottom rollers, carrier rollers, front idlers, sprockets, and track adjusters. If you are replacing one worn component, include clear photos and its OEM reference number when available. For a larger repair, have the remaining undercarriage wear assessed so the quote covers the full scope of work.
John Deere 700 Series Models & Variants: 700P, 700L, 700K, 700J, & 700H
JD 750 Series: 750 P-Tier & Older 750 Generations
The 750 was John Deere’s first hydrostatic dozer when it launched in 1976, and every 750 since has been hydrostatic. The generations are the original 750, 750B, 750C, 750C Series II, 750J, 750K, 750L and the current 750 P-Tier. Track configuration and blade type vary widely on this model, so have both on hand along with your serial number.
John Deere 750 crawler dozers are built for heavier grading, roadbuilding, land clearing, site preparation, and production earthmoving applications. As operating hours accumulate, these machines may require anything from routine undercarriage and wear-part replacement to extensive engine, transmission, hydraulic, or final-drive repairs. EquipXR can source individual replacement components as well as parts for larger rebuild projects.
John Deere 750 Series Models & Variants: 750P, 750L, 750K, 750J, & 750C Series II, 750C, 750B, & 750
JD 850 Series: 850 X-Tier + 850 P-Tier & Older 850 Generations
The 850 arrived in the late 1970s as the larger companion to the 750 and has always been hydrostatic. The generations are the original 850, 850B, 850C, 850C Series II, 850J, 850K, 850L and the current 850 P-Tier, with the hybrid 850 X-Tier sold alongside it. The 850 X-Tier uses an electric drive in place of the hydrostatic transmission, so its drivetrain parts are unique to that model. Make sure to provide all machine information when ordering engine parts because the engine changed repeatedly: a 10.1L in the original, a 7.6L in the 850B, an 8.1L in the C Series II and J, a 6.8L in the 850K and a 9.0L in the 850L and P-Tier.
The John Deere 850 family provides greater pushing capacity for demanding construction and earthmoving applications. EquipXR can help source heavy-duty undercarriage components, drivetrain parts, final-drive components, transmission parts, hydraulic components, engine parts, cooling components, blade parts, and wear parts for 850-series dozers.
John Deere 850 Series Models & Variants: 850X, 850P, 850L, 850K, 850J, 850C Series II, 850C, 850B, & 850
JD 950 Series: 950 P-Tier & Older 950 Generations
The 950 has had four generations: the 950C, 950J, 950K and the current 950 P-Tier. The key fact for parts is who built the machine. The 950C and 950J were manufactured for John Deere by Liebherr and use Liebherr engines and components. The 950K, introduced around 2016, was the first 950 designed and built by John Deere, with a John Deere 9.0L engine.
The 950 P-Tier of 2024 is an updated 950K, so many components carry over, but confirm by OEM part number and machine serial number. The John Deere 950 family is designed for high-production earthmoving applications where larger machine size, blade capacity, and pushing power are required. EquipXR can source aftermarket replacement parts for the undercarriage, final drives, drivetrain, transmission, hydraulic system, engine, cooling system, blade assembly, and other major components used on John Deere 950 dozers.
John Deere 950 Series Models & Variants: 950P, 950K, 950J, & 950C
JD 1050 Series: 1050 P-Tier & Older 1050 Generations
The 1050 is John Deere’s largest dozer and has had four generations: the 1050C, 1050J, 1050K and the current 1050 P-Tier. The first two models were built by Liebherr and use Liebherr engines, so 1050C and 1050J parts follow Liebherr designs.
The 1050K, launched in 2015, was a ground-up John Deere design built with a John Deere 13.5L engine. The 1050 P-Tier of 2024 moved to the 13.6L JD14 engine with a different after treatment system and a revised blade linkage, so engine, exhaust and blade parts are not interchangeable with the 1050K.
Large dozers place substantial loads on their undercarriage, powertrain, hydraulic system, blade structure, and cooling system. EquipXR can help source replacement components for both individual repairs and extensive rebuild projects.
John Deere 1050 Series Models & Variants: 1050P, 1050K, 1050J, & 1050C
OEM-Equivalent Parts for John Deere Dozer Equipment
When repairing a John Deere dozer, buying replacement parts directly from your local dealership or John Deere directly isn’t always the most cost-effective option. OEM-equivalent aftermarket parts offer equipment owners and repair shops another way to maintain their machines while reducing repair costs and minimizing downtime.
EquipXR sources aftermarket replacement parts designed to match the fit, function, and application requirements of original John Deere components. That means the same dimensions, mounting points and performance specifications as the part that came on your machine, so it installs the same way and does the same job. These parts are manufactured by independent suppliers and can provide a direct replacement for the corresponding OEM part when compatibility is confirmed by EquipXR’s part experts.
Why Choose EquipXR for John Deere Bulldozer Aftermarket Parts?
EquipXR helps contractors, equipment owners, and repair shops source aftermarket parts at competitive prices while reducing the time spent searching for compatible replacements. We know John Deere equipment and we support legacy machines that dealers have largely forgotten. Our team includes people with hands-on equipment experience who help you troubleshoot, cross-reference part numbers, and plan maintenance schedules for your John Deere dozers and other John Deere equipment.
High-Quality Parts
Quality replacement parts built to meet or exceed original equipment specifications for dependable operation in demanding conditions.
Fast Shipping
Every day a machine sits is money out of your pocket. We ship quickly from stocked inventory so you can get back to work.
Expert Support
Our team helps verify fitment using your machine model, serial number, part number, or application details before you order.
Parts For All John Deere Models
Aftermarket John Deere dozer parts for all models & generations from the original 450 bulldozer to the 1050 P-Tier and everything in between.
Frequently Asked Questions
We supply aftermarket parts for the full John Deere crawler dozer lineup: the 450, 550, 650, 700, 750, 850, 950, and 1050 series. That covers current P-Tier and X-Tier machines, the L-, K-, J-, and H-Series, and older generations back to the original 450. If your model isn’t listed on this page, contact us with the model and serial number.
Sometimes, but never assume it.
Many wear parts carry over between consecutive generations, while drivetrain, engine, and emissions parts often don’t. For example, the 950 P-Tier shares many components with the 950K, but the 1050 P-Tier uses a different engine, aftertreatment system, and blade linkage than the 1050K. We confirm interchangeability by OEM part number and serial number before you order.
Yes. Transmission, steering, and final drive parts don’t cross over between the two. On the 450, 550, and 650, G-Series and earlier machines use gear or powershift transmissions with steering clutches and brakes, and H-Series and later are hydrostatic. The 700, 750, and 850 have always been hydrostatic, except the 850 X-Tier, which uses an electric drive with its own drivetrain parts.
Yes. EquipXR stands behind the quality of its aftermarket John Deere parts with a manufacturer’s warranty covering defects in materials and workmanship. Warranty terms vary by product category; please contact our team for specific warranty information on the parts you’re ordering.
They’re track configurations: long track, extra-long track, wide long track, and low ground pressure. Each one changes the track frame length, track gauge, and shoe width, so track chains, rollers, shoes, and some blade parts are specific to the configuration. Tell us which one you have, or send your serial number and we’ll look it up.
Most in-stock parts ship the same business day when ordered before our daily cutoff and arrive in 2 to 5 business days. Large items like complete track groups and final drives ship by freight and typically take 3 to 7 business days. If your machine is down, call us and we’ll find the fastest option.
Yes, if the aftermarket parts are from a reputable supplier and are manufactured to the same specifications as OEM components. EquipXR’s aftermarket parts are always manufactured to meet or exceed OEM specifications, delivering comparable fit, performance, and durability at a lower cost.