Model Spotlight

Case 750H Crawler Dozer: Specs, Parts & Common Issues

Produced 2000 - 2003, the Case 750H is the H-generation mid-large frame Case crawler dozer - Cummins B-series turbocharged four-cylinder diesel and hydrostatic dual-path transmission. The H-generation introduced hydrostatic drivetrain to the 750 line for the first time, simultaneously with the 550H, 650H, and 850H. Three primary variants: Standard, LT (Long-Track), and LGP (Low Ground Pressure).

Broken Tractor Editorial Team• Updated May 2026• 10 min read

The Case 750H Crawler Dozer is the H-generation mid-large frame Case crawler dozer, produced from approximately 2000 through 2003. The H generation marked the most significant drivetrain change in the modern Case dozer line: hydrostatic dual-path transmission replaced the power shift / mechanical drivetrains used on the earlier 750, 750B, and 750C. Each track is now driven by its own variable-displacement hydraulic pump and motor - direction and speed are controlled by joystick rather than gear shifting. The same hydrostatic shift happened simultaneously on the 550H, 650H, and 850H, defining the H-generation across all mid-class Case dozers.

The 750H runs the Cummins B-series turbocharged four-cylinder diesel - broadly the same engine family that powers the 650H below and shares architecture with the 550H. The combination of the Cummins B-series with hydrostatic drivetrain gives the 750H smooth, infinitely-variable speed control and crisp direction changes well suited to finish grading, site work, and detail dozing.

The H generation is the hydrostatic generation The single biggest service difference between the 750C (or earlier 750) and the 750H is the transmission. The 750C and earlier 750-family machines are power shift / mechanical. The 750H is hydrostatic dual-path with variable-displacement pumps and motors. Hydrostatic service items (charge pumps, control valves, motor seals) are entirely different parts from power-shift service items. Confirm your generation before ordering drivetrain components.

At-a-glance specifications

Case 750H - factory specifications

Production years: 2000 - 2003
Predecessor: Case 750C (later 1980s era)
Successor: Case 750K (Tier 4 Interim era)
Engine: Cummins B-series turbocharged 4-cyl diesel
Displacement: ~3.9 L (Cummins 4BT-derived family)
Power: ~100 - 110 HP flywheel (configuration dependent)
Transmission: Hydrostatic dual-path
Variants: Standard, LT (Long-Track), LGP (Low Ground Pressure)
Operating weight: ~21,000 - 23,500 lb (varies by variant)
Hydraulic system: Load-sensing implement hydraulics, separate hydrostatic drive circuits
Blade: 6-way bulldozer blade, ~112-inch typical Standard width
Serial plate location: Right side of operator's platform, near cab entrance

How the 750H differs from the 750C predecessor

Hydrostatic dual-path transmission - replaces power shift / mechanical drivetrains on the earlier 750-family machines. Each track has its own hydraulic motor and variable-displacement pump. Operator controls direction and speed via joystick.
Cummins B-series turbocharged engine - modern Cummins industrial engine with broad parts ecosystem.
Refreshed cab and electronics - H-generation cab is more refined with improved HVAC, electronic gauge cluster, and better sightlines to the blade corners.
Updated undercarriage - H-generation track frame and components, with broader cross-fit options to the 650H and 850H families on certain components.
Variant flexibility: Standard, LT, LGP - the H generation formalized track configuration options for site-specific applications.

Variants: Standard, LT, LGP

The 750H shipped in three primary configurations:

Standard - standard-width track, balanced general dozing.
LT (Long Track) - extended-length track frame for additional ground contact area and stability.
LGP (Low Ground Pressure) - wider grouser pads with extended track frame for soft-ground / wetlands / agricultural-soil work.

Variant affects undercarriage and frame parts - confirm Standard vs. LT vs. LGP by serial before ordering track pads, idlers, and frame components.

Cummins B-series turbocharged engine

The 750H engine is part of the Cummins B-series industrial family - the same engine lineage that powers the 650H and is shared with the 550H. Same 3.9-liter displacement and basic architecture, with turbocharging that bumps power output to the 100-110 HP range for the 750H.

The Cummins B-series engine ecosystem is one of the deepest in the world - filters, injectors, water pumps, turbochargers, and complete rebuild components source readily from both Case dealer and aftermarket Cummins channels. Browse the Case Dozer Parts hub for current 750H engine service kits.

Hydrostatic dual-path transmission

The hydrostatic dual-path transmission is the defining technical change on the H generation. Each track has its own dedicated hydraulic drive motor. Flow to each motor is controlled by a variable-displacement hydraulic pump. The operator controls direction, speed, and turning radius through joystick inputs.

Hydrostatic drivetrain advantages: infinitely-variable speed (no discrete gears), instantaneous direction changes without clutch, fine-control responsiveness for grading and detail work, and dynamic braking from the hydraulic system itself.

Hydrostatic service items: charge pumps, charge filters, hydraulic motor seals, drive pump bearings, control valve degradation, and contamination from internal wear. Hydraulic oil quality is critical - hydrostatic systems are intolerant of contamination. Hydrostatic diagnosis typically requires dealer service tools for pressure testing.

Blade-carrier hardware cross-fit

The 750H shares several blade-carrier wear items with the 550H, 650G, 650H, 850G, and 850H mid-class Case dozers. The 117835A1 slider block is documented as cross-fitting the 750H (along with 550H, 650G, 650H, 850G, 850H) - broad mid-class Case dozer cross-fit. The matching 117836A1 wear plate has the same cross-fit.

Blade-carrier wear is a routine 750H service item - the slider block and wear plate are sacrificial wear components designed to wear before the underlying blade-carrier frame, and the broad cross-fit makes sourcing straightforward.

Operator station and seat

The 359121A1 Case / New Holland dozer suspension seat with headrest is the documented suspension seat across the H/K/L Case dozer family - broad operator-station cross-fit on this SKU. Confirm fitment by serial before ordering.

Common 750H service issues

Hydrostatic transmission service

Charge pump wear, control valve degradation, hydraulic motor seal failure, and contamination of the hydraulic oil from internal wear are routine. Hydrostatic systems require clean oil - filter change intervals matter. Hydrostatic diagnosis usually requires dealer service tools for pressure testing.

Cummins B-series turbocharger wear

The turbocharger is a routine wear item on 20-plus-year-old engines. Symptoms: blue smoke at startup or under load, oil consumption climbing, audible whine outside the normal range, or visible shaft play.

Blade carrier wear plate replacement

The 117835A1 slider block and 117836A1 wear plate are routine blade-carrier service items with broad mid-class cross-fit. Replace as the blade carrier shows play or visible wear.

Blade cylinder seal failure

Blade cylinder seal weep is normal at production-run age. Seal kit rebuilds address most cases.

Cutting edge wear

Cutting edge replacement is the most frequent blade-related service item on a 750H in active service. End bits wear faster than the center section due to corner load concentration during dozing.

Filter service

The hydrostatic drivetrain is intolerant of contamination. Stick to the recommended hydraulic filter and oil change intervals - many high-hour 750Hs run shorter intervals than the original service manual specified.

Parts we carry

Part #	Part	Notes
117835A1	Slider block (blade carrier)	Cross-fits 550H, 650G, 650H, 750H, 850G, 850H - broad mid-class Case dozer cross-fit.
117836A1	Wear plate (blade carrier)	Same broad mid-class cross-fit as the 117835A1.
Universal Case suspension seat	Operator station suspension seat	Verify 750H-specific fitment by serial - the 359121A1 covers 750K / 750L; 750H seat options similar.
Filter service kits	Engine + hydraulic filter sets	750H-specific Cummins B-series filter kits.
Blade cutting edges & end bits	Cutting edge service	Standard or severe-duty cutting edges for the 112-inch standard blade.
Blade cylinder seal kits	Lift, angle, tilt cylinder seal kits	Confirm cylinder dimensions before ordering.
Hydrostatic system service parts	Charge pump, charge filter, drive pump components	Hydrostatic-specific service items.
Track undercarriage components	Sprockets, idlers, rollers, master pins	Variant-specific (Standard / LT / LGP).

For the complete 750H parts inventory, browse the Case Dozer Parts hub.

Working on a Case 750H?

The 750H shares blade-carrier hardware with a wide mid-class Case dozer family but has hydrostatic-system service items distinct from the earlier 750C / 750B. Our specialists can verify Standard vs. LT vs. LGP fitment by serial and walk you through cross-fit alternatives.

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Where the 750H sits in the Case dozer family

The 750H is the H-generation mid-large frame Case crawler dozer, sitting between the Case 650H and the Case 850H. Its predecessor is the Case 750C (mechanical / power shift), and its successor is the Case 750K - which brought Tier 4 Interim emissions compliance and a refreshed operator station.