| Hydraulic Pump System |
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| Main Component | 804002367 | Gear pump (hydraulic) |
| Gear Pump (Alternative / Cross) | 804023367 | Gear pump (similar series, verify compatibility) |
| Gear Pump (Steering) | 803072822 | Steering hydraulic pump |
| Main Hydraulic Pump (Piston) | 803009979 | Main piston pump (if equipped on larger loaders) |
| Hydraulic Tank (Reservoir) | 803200100 | Main hydraulic oil reservoir |
| Suction Strainer (Tank) | 803100040 | In-tank suction strainer / filter |
| Return Filter Assembly | 803100039 | Spin-on return line filter assembly |
| Return Filter Element | 803100041 | Replacement filter element (10 micron) |
| Hydraulic Oil Cooler | 803107100 | Oil cooler assembly (air or water cooled) |
| Pump Drive Adapter | 804002368 | Pump mounting adapter / bell housing |
| Pump Drive Coupling | 804002369 | Flexible coupling (pump to transmission) |
| Pump Mounting Gasket | 803164037 | O-ring / gasket for pump mounting |
| Pump Mounting Bolt Set | 279500128 | Hex bolt set (M10 or M12) for pump flange |
| Pump Suction Hose | 860115388 | Low-pressure suction hose (tank to pump) |
| Pump Pressure Hose | 860115389 | High-pressure delivery hose (pump to valve) |
| Pressure Gauge (Test Port) | 803164500 | Gauge adapter for pump outlet test |
| Hydraulic Pressure Sensor | 803604621 | Electronic pressure sender |
| Main Control Valve |
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| Main Control Valve (Distributor) | 803104500 | Pilot-operated main hydraulic valve assembly |
| Inlet Section (Valve) | 803104501 | Inlet cover section with pump port |
| Working Section (Boom) | 803104502 | Boom spool section |
| Working Section (Bucket) | 803104503 | Bucket spool / auxiliary section |
| Outlet Section (Valve) | 803104504 | Outlet cover (return to tank) |
| Main Relief Valve | 803104505 | Main system pressure relief valve |
| Port Relief Valve (Boom) | 803104506 | Boom circuit relief / cushion valve |
| Port Relief Valve (Bucket) | 803104507 | Bucket circuit relief valve |
| Anti-Drop Valve (Boom) | 803104508 | Load holding / counterbalance valve |
| Pilot Control System |
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| Pilot Control Valve | 860633853 | Proportional pilot valve (under cab) |
| Joystick Handle | 860633850 | Electro-hydraulic joystick (pilot control) |
| Pilot Filter (Return) | 803100042 | Pilot circuit return filter |
| Pilot Accumulator | 803089849 | Emergency pilot pressure accumulator |
| Pilot Hose Set (Assorted) | Various | Pilot hoses (boom raise/lower, bucket dump/curl) |
| Actuators (Cylinders) |
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| Boom Lift Cylinder (Left) | 803081218 | Left boom cylinder |
| Boom Lift Cylinder (Right) | 803081219 | Right boom cylinder |
| Bucket Tilt Cylinder | 803081220 | Bucket cylinder |
| Steering Cylinder (Left) | 803081210 | Left steering cylinder |
| Steering Cylinder (Right) | 803081211 | Right steering cylinder |
| Cylinder Seal Kit (Boom) | 803081218SK | Repair seal kit for boom cylinder |
| Cylinder Seal Kit (Bucket) | 803081220SK | Repair seal kit for bucket cylinder |
| Steering System |
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| Steering Gear (Orbital Unit) | 803089848 | Full-hydraulic steering control unit |
| Steering Priority Valve | 803104200 | Flow divider (steering priority – sends oil to steering first) |
| Steering Pump | 803072822 | Steering hydraulic pump |
| Steering Cylinder (Left) | 803081210 | Left steering cylinder |
| Steering Cylinder (Right) | 803081211 | Right steering cylinder |
| Brake System (Hydraulic) |
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| Brake Master Cylinder | 860167266 | Brake master cylinder assembly |
| Brake Booster (Air / Hydraulic) | 860167268 | Air-over-hydraulic brake booster |
| Brake Accumulator | 803089849 | Emergency brake hydraulic accumulator |
| Brake Caliper (Front Left) | 860167252 | Front left brake caliper |
| Brake Caliper (Front Right) | 860167253 | Front right brake caliper |
| Brake Caliper (Rear Left) | 860167254 | Rear left brake caliper |
| Brake Caliper (Rear Right) | 860167255 | Rear right brake caliper |
| Brake Pad Set (Front) | 860167256 | Friction pad set – front axle |
| Brake Pad Set (Rear) | 860167257 | Friction pad set – rear axle |
| Brake Disc (Rotor – Front) | 860167259 | Ventilated brake disc – front |
| Brake Disc (Rotor – Rear) | 860167260 | Ventilated brake disc – rear |
| Brake Hose (Flexible – Front) | 860115388 | Flexible brake hose (front axle) |
| Brake Hose (Flexible – Rear) | 860115389 | Flexible brake hose (rear axle) |
| Brake Caliper Seal Kit | 860167251 | Brake caliper repair seal kit |
| Brake Fluid (DOT 4) | 860115450 | Genuine XCMG brake fluid (1L / 5L) |
| Parking Brake Caliper | 860167272 | Spring-applied parking brake (transmission mounted) |
| Parking Brake Switch | 803604013 | Dash parking brake warning switch |
| Engine & Cooling System |
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| Engine Assembly | — | Diesel engine (Weichai / Cummins / Deutz – model dependent) |
| Engine Water Pump | 860148431 | Engine coolant pump |
| Radiator Water Tank | 860148427 | Engine cooling radiator assembly |
| Radiator Cap (Pressure) | 860148428 | 0.5 – 0.9 bar pressure cap |
| Radiator Hose (Upper) | 860115430 | Upper coolant hose (engine to radiator) |
| Radiator Hose (Lower) | 860115431 | Lower coolant hose (radiator to water pump) |
| Coolant Expansion Tank | 860148429 | Overflow / degas reservoir |
| Cooling Fan (Suction) | 860148434 | Engine cooling fan (plastic / metal) |
| Fan Belt (Serpentine) | 860148437 | Drive belt (alternator / fan / water pump) |
| Fan Belt Tensioner | 860148438 | Automatic belt tensioner |
| Hydraulic Oil Cooler | 860148440 | Hydraulic oil cooler (stacked with radiator) |
| Charge Air Cooler (CAC / Intercooler) | 860148441 | Turbocharger intercooler |
| Transmission & Driveline |
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| Transmission Assembly | — | Powershift transmission (model dependent) |
| Transmission Pump | 803009979 | Hydraulic pump mounted on transmission |
| Torque Converter | YJ315 series | Torque converter assembly |
| Transmission Filter (Suction) | 803100040 | Suction strainer (inside transmission housing) |
| Transmission Filter (Spin-on) | 803100039 | Return line filter (transmission circuit) |
| Transmission Oil Cooler | — | Transmission oil cooling circuit |
| Front Transmission Shaft | 251805363 | Front propeller shaft (transmission to front axle) |
| Rear Transmission Shaft | 251805364 | Rear propeller shaft (transmission to rear axle) |
| U-Joint Cross Kit | 251805370 | Universal joint repair kit |
| Axles & Final Drive |
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| Front Axle Assembly (Complete) | 250300731 | Front drive axle |
| Rear Axle Assembly (Complete) | 250300732 | Rear drive axle |
| Front Axle Input Flange | 251900342 | Pinion flange (axle side) |
| Axle Pinion Seal | 860106167 | Double-lip pinion seal |
| Differential Assembly (Front) | — | Front differential carrier |
| Differential Assembly (Rear) | — | Rear differential carrier |
| Axle Shaft (Left Front) | 251500307 | Left front axle shaft |
| Axle Shaft (Right Front) | 251500308 | Right front axle shaft |
| Axle Shaft (Left Rear) | 251500309 | Left rear axle shaft |
| Axle Shaft (Right Rear) | 251500310 | Right rear axle shaft |
| Planetary Final Drive (Front Left) | — | Front left planetary hub assembly |
| Sun Gear (Planetary) | 275100138 | Sun gear shaft |
| Planet Gear Set | — | Set of 3 planet gears + carrier |
| Ring Gear (Planetary) | — | Stationary ring gear |
| Wheel Hub (Front) | 252000421 | Front wheel hub assembly |
| Wheel Hub (Rear) | 252000422 | Rear wheel hub assembly |
| Wheel Flange | 251900342 | Wheel mounting flange |
| Wheel Stud Bolt | 279500128 | M22×1.5 wheel stud (set of 10) |
| Tapered Roller Bearing (Inner) | 271400216 | Inner wheel bearing |
| Tapered Roller Bearing (Outer) | 271400218 | Outer wheel bearing |
| Wheel Hub Oil Seal | 272200085 | Inner hub seal |
| Double-lip Axle Seal | 860106167 | Outer axle seal |
| Electrical & Controls |
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| Alternator (28V / 120A) | — | Brushless alternator |
| Starter Motor (24V) | — | Heavy-duty starter |
| Battery (12V / 24V system) | — | Two batteries (12V each in series) |
| Fuse Kit (5A – 30A assorted) | 803682279 – 803682283 | Blade fuses (various ratings) |
| Relay (General Purpose) | 803604013 | 24V relay (4-pin / 5-pin) |
| Control Button (Horn / Vibration) | 803604621 | Dashboard push button |
| Harness Connector (Deutsch) | 803399778 | Electrical connector (receptacle / pin) |
| Coolant Temperature Sensor | WDG1371 | Water temperature sender |
| Dashboard Display | 803604622 | Instrument cluster |
| Headlight Assembly (Left) | 860134405 | LED work light (left) |
| Headlight Assembly (Right) | 860134406 | LED work light (right) |
| Horn (Electric – High Tone) | 803688413 | Electric warning horn (high tone) |
| Horn (Electric – Low Tone) | 803688414 | Electric warning horn (low tone) |
| Seals, Hardware & Consumables |
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| O-ring (General Purpose) | 803164037 | O-ring for fittings (various sizes) |
| Composite Gasket (Seal) | 803164100 | Q/SC1294-2000 hard gasket |
| Grease Fitting (Straight) | 803164200 | Lubrication nipple (M10×1) |
| Grease Fitting (90°) | 803164201 | Angled grease nipple (M10×1) |
| Copper Washer (Banjo Seal) | 803164120 | Sealing washer for banjo bolts (pack of 10) |
| O-ring (24.99×3.53) | 803401122 | 214N552-90 |
| O-ring (37.69×3.53) | 803401130 | 222N552-90 |
| O-ring (56.74×3.53) | 803401136 | 228N552-90 |
| O-ring (75.79×3.53) | 803401142 | 234N552-90 |
| O-ring (94.84×3.53) | 803401148 | 240N552-90 |
| O-ring (120.24×3.53) | 803401156 | 248N552-90 |
| O-ring (164.69×3.53) | 803401168 | 260N552-90 |
| O-ring (26×2.0) | 803401366 | 573N552-90 |
| Lock Nut (Self-locking) | 275200118 | Hex self-locking nut (various sizes) |
| Lock Washer (Spring) | 275300096 | Spring lock washer |
| Hex Bolt (Grade 10.9) | 279500128 | High-strength hex bolt (M10 / M12 / M14) |
| Dust Cover (Axle Housing) | 273000321 | Axle end dust cover |
| Lubricants & Maintenance |
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| Hydraulic Oil (ISO VG 46) | 860115450 | Genuine XCMG hydraulic oil (20L / 200L) |
| Gear Pump Displacement (cc/rev) | 860115451 | XCMG NLGI #2 Lithium Grease (400g cartridge) |
| Threadlocker (Medium Strength) | — | Loctite 243 / equivalent (for fasteners) |
| Anti-Seize Compound | — | For pipe threads and splines |
| Gasket Sealant (Flange) | 860115452 | Anaerobic flange sealant |
| Tools & Service |
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| Gear Pump Puller Tool | — | For removing pump from transmission flange |
| Hydraulic Pressure Test Kit | — | Gauge + hose + fittings |
| Torque Wrench (0–300 Nm) | — | For fastener tightening |
| Service Manual (Hydraulics Section) | — | Refer to XCMG workshop manual for your model |
60000075 Engine Radiator Replacement for Sany Excavator
