Model Spotlight

Case WX210 Wheeled Excavator: C-Series Production 21-Ton Wheeled Excavator

The Case WX210 is a 21-ton C-Series wheeled excavator built for road-mobile utility, municipal, and infrastructure work. It sits at the top of the Case C-series WX wheeled excavator line, with a Tier 3 / Tier 4 diesel driving a hydrostatic drivetrain through a wheeled chassis that lets the machine move between job sites under its own power.

Broken Tractor Editorial Team• Updated May 2026• 8 min read

Where the WX210 fits in the Case excavator line

The WX210 sits in Case’s WX wheeled excavator range — wheeled-chassis excavators built for road-mobile utility work, municipal applications, and any operation that needs excavator capability without dedicated transport. In the C-series WX line, the WX210 represents the top-of-line 21-ton class, positioned between the smaller WX185 and the later WX210E generation.

Unlike a tracked CX-class excavator of comparable working weight, the WX210 drives between job sites under its own power on tires — eliminating the dedicated lowboy transport that tracked machines require. Stabilizer outriggers and/or a dozer-blade stabilizer keep the chassis planted during digging cycles, while boom, dipper, bucket, and swing functions match the working envelope of a comparable tracked excavator.

Case WX210 Wheeled Excavator - Quick Specs

Class: 21-Ton Wheeled Excavator
Generation: C-Series
Engine: Tier 3 / Tier 4 Diesel
Aftertreatment: DPF + SCR (DEF) on Tier 4
Drivetrain: Wheeled Chassis, Hydrostatic Drive
Serial Plate: RH side of cab below front windshield; or inside cab next to operator seat
Smaller Sibling: Case WX185
Larger / Later Sibling: Case WX210E

Locating your serial number On the Case WX210 the serial number plate is located on the right-hand side of the cab below the front windshield, or inside the cab next to the operator’s seat. Confirm the serial before ordering — WX wheeled excavator emissions and ECU calibrations evolved across the C-series production run.

Engine, hydraulics, and drivetrain

The WX210 runs a Tier 3 / Tier 4 diesel through a hydrostatic drivetrain to a wheeled chassis — tires, axles, and final drives in place of a tracked undercarriage. On Tier 4 Final builds, the engine carries common-rail fuel injection and the full aftertreatment package: DPF for particulates, SCR with DEF dosing for NOx, and EGR for combustion-side NOx control.

Stabilizer outriggers and/or dozer-blade stabilization plant the chassis during the digging cycle. Boom, dipper, bucket, and swing hydraulics match the working envelope of a comparable-class tracked CX excavator, with electrohydraulic control valves and pilot-operated joysticks at the operator station. The swing system uses a motor-reduction-gear arrangement on a large-diameter swing bearing, with a swing brake to hold position under load.

Common service items on the WX210

Engine internals: Tier 4 Final diesel pistons, rings, sleeves, head gaskets. Common-rail injection components.
Tier 4 Final aftertreatment: DPF service intervals 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 (on turbo builds), 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.
Wheeled chassis: Tires, wheel bearings, axle and final drive service, suspension if equipped.
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: 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.

Tier 4 Final aftertreatment - service implications The WX210’s Tier 4 DPF and SCR systems run reliably when fed clean fuel and quality DEF, but they require attention. Keep the DEF tank topped up, expect periodic high-temperature DPF regenerations, and replace failed NOx sensors promptly — an unaddressed NOx sensor fault will derate the engine.

Parts we carry for the Case WX210

Category	Common Parts	Browse
Engine	Tier 4 Final diesel internals, pistons, rings, sleeves, gaskets	Browse Engine
Aftertreatment	DPF, DEF, SCR, EGR components, NOx sensors	Browse Aftertreatment
Fuel System	Common-rail injectors, lift pump, primary/secondary filters	Browse Fuel
Cooling	Radiator, water pump, charge-air cooler, hoses, belts	Browse Cooling
Hydraulics	Main pump, swing motor, cylinders, seal kits, control valves	Browse Hydraulics
Boom / Dipper	Pins, bushings, bucket and quick-coupler hardware	Browse Boom / Dipper
Wheeled Chassis	Tires, wheel bearings, axles, final drives	Browse Chassis
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)	Browse Cab Glass
Electrical / ECU	ECU, sensors, harnesses, instrument cluster	Browse Electrical
Operator Station	Seat, joysticks, pedal linkage, gauges, HVAC	Browse Operator Station

Need a part for your Case WX210 Wheeled Excavator?

Aftertreatment components, common-rail fuel parts, and hydraulic cylinder seal kits are the highest-value items on a WX210. Call our parts team with your serial number.

Request a Part

What to verify before ordering

Serial number. Confirm the serial on the WX210 before ordering year-specific parts — the C-series saw running changes through production.
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 WX210 still earns a paycheck

The Case WX210 is a wheeled excavator built for road-mobile utility, municipal, and infrastructure work — it drives between job sites under its own power, eliminating the dedicated transport requirement that tracked excavators carry. The platform is common in European municipal fleets and shows up increasingly in North American utility and infrastructure applications where mobility matters as much as digging capability.

Maintenance priorities on a WX210 are clean fuel, hydraulic oil condition, tire pressure and wheel-bearing service, axle and final-drive lubrication, outrigger / blade-stabilizer cylinder service, swing-bearing lubrication, and pin and bushing service at every articulation. Broken Tractor maintains parts coverage across the Case wheeled excavator family.