Case CX210D Excavator: D-Series 21-Ton Production Excavator
The Case CX210D is the D-Series generation 21-ton class production excavator - Tier 4 Final emissions, modern electrohydraulic control, and a refined operator station. It sits between the earlier CX210C and the newer CX220E in Case's full-size excavator lineup.
Where the CX210D fits in the Case excavator line
The CX210D is a 21-ton class D-Series excavator. It sits between the CX210C and the CX220E in Case’s full-size excavator lineup. The D-Series brought Tier 4 Final emissions compliance, refined electrohydraulic control, and a modernized cab to the 21-ton platform.
Case CX210D Excavator - Quick Specs
- Class
- 21-Ton Excavator
- Generation
- D-Series
- Engine
- Tier 4 Final Diesel
- Aftertreatment
- DPF + SCR (DEF)
- Drivetrain
- Hydrostatic Dual-Path
- Undercarriage
- Steel Track
- Tail Swing
- Conventional
- Predecessor
- Case CX210C
- Successor
- Case CX220E
Engine, hydraulics, and drivetrain
The CX210D runs a Tier 4 Final diesel through a hydrostatic dual-path drivetrain into a steel-track undercarriage. The main hydraulic pump - typically a load-sensing piston pump - drives boom, dipper, bucket, swing, and propel functions through electrohydraulic control valves. Tier 4 Final compliance is handled with a diesel particulate filter (DPF) and selective catalytic reduction (SCR) using diesel exhaust fluid (DEF).
The electrohydraulic control valve package is what defines the D-Series feel. Compared to the earlier C-Series, the D-Series gives finer modulation, better multi-function coordination (simultaneous swing and boom-up, for example), and more predictable creep speeds for fine grading and trenching work.
Common service items on the CX210D
- Engine internals: Tier 4 Final diesel pistons, rings, sleeves, head gaskets. Common-rail injection.
- Aftertreatment: DPF service and regeneration behavior, DEF tank and dosing module, SCR catalyst, EGR cooler service.
- Fuel system: Common-rail injectors, lift pump, primary and secondary filters with tight water-separator standards.
- Cooling system: Radiator, water pump, thermostat, fan, charge-air cooler, hoses, belts.
- Hydraulic system: Boom / dipper / bucket / swing cylinder seal kits, main pump rebuild, electrohydraulic control valves, hoses.
- Boom and dipper: Pin and bushing service at every joint, bucket pins, thumb attachment hardware, quick coupler service.
- Undercarriage: Steel track inspection and replacement, rollers, idlers, drive sprockets, recoil springs.
- Swing system: Swing motor and reduction gear service, swing bearing inspection, swing brake.
- Electrical / ECU: Engine ECU, instrument cluster, sensors, harness, telematics module on equipped units.
- Cab glass and wiper: Cab glass and wiper service items - KHN16820 24-inch wiper blade, KHN3046 front lower glass, and KHN2632 front upper glass cross-fit across Case and Link-Belt excavators.
- Operator station: Seat, joystick controls, pedal linkage, instrument panel, cab HVAC.
Parts we carry for the Case CX210D
| Category | Common Parts | Browse |
|---|---|---|
| Engine | Tier 4 Final diesel internals, pistons, rings, sleeves, gaskets | Browse Engine |
| Aftertreatment | DPF, DEF dosing, SCR catalyst, EGR components | Browse Aftertreatment |
| Fuel System | Common-rail injectors, lift pump, filters, water separator | Browse Fuel |
| Cooling | Radiator, water pump, charge-air cooler, hoses, belts | Browse Cooling |
| Hydraulics | Main pump, swing motor, cylinders, seal kits, valves | Browse Hydraulics |
| Boom / Dipper | Pins, bushings, bucket and quick-coupler hardware | Browse Boom / Dipper |
| Undercarriage | Steel tracks, rollers, idlers, sprockets, recoil springs | Browse Undercarriage |
| Swing | Swing motor, reduction gear, swing bearing, swing brake | Browse Swing |
| Cab Glass / Wiper | KHN16820 wiper, KHN3046 lower glass, KHN2632 upper glass (Case/Link-Belt cross-fit) | KHN16820 Wiper Blade |
| Electrical / ECU | ECU, sensors, harness, instrument cluster | Browse Electrical |
| Operator Station | Seat, joysticks, pedal linkage, gauges, HVAC | Browse Operator Station |
Need a part for your Case CX210D Excavator?
Aftertreatment components, common-rail injection parts, and hydraulic pump rebuilds are the highest-value items on a CX210D. Call our parts team with your serial number.
Request a PartWhat to verify before ordering
- Serial number. Confirm the machine serial on the CX210D before ordering year-specific parts.
- Engine serial. Engine internal parts must match the engine serial number.
- Hydraulic cylinder bore. Cylinder seal kit fit depends on bore dimension - measure before ordering.
- Tier 4 emissions revision. DPF and DEF/SCR components saw revisions during production - confirm by serial.
- Engine ECU calibration. Common-rail injectors and ECU sensors are calibrated to specific build years.
- Bucket and quick coupler. Quick-coupler interface varies - confirm before ordering attachment-side hardware.
Why the CX210D still earns a paycheck
The Case CX210D is a 21-ton class production excavator built for general site work, utility installation, residential and commercial earthmoving, and mining or quarry work depending on configuration. The D-Series electrohydraulics and refined operator station make it a comfortable, productive machine - and one that owners keep in service well past initial depreciation.
Maintenance priorities on a CX210D: clean fuel and tight water separation for common-rail injection, DPF regen behavior tracking, hydraulic oil condition, swing-bearing lubrication, steel-track tension and undercarriage wear monitoring, and pin and bushing service at every boom and dipper joint. Broken Tractor maintains parts coverage across the Case excavator family.
