CAT C7 Complete Diesel Engine Assembly | Aftermarket Excavator Engine Replacement Spare Parts Compatible With CAT C7 Series Construction Diggers
Welcome to HanRui hydraulic supply. We specialize in providing the complete CAT C7 excavator diesel engine assembly, precision-manufactured as a heavy-duty aftermarket replacement part compatible with CAT C7 small engineering excavator equipment. All internal cylinder blocks, crankshafts, fuel injectors and sealing gaskets are CNC precision machined and passed strict factory power & temperature testing, stable medium-load power output for small quarry, municipal road and landscape construction work, plug-and-play fit without modification, cost-effective overhaul spare part for global mini excavator repair shops.
- Small stone quarry excavation, short-distance aggregate loading and transport operation
- Urban municipal road reconstruction, trench digging and underground pipeline laying
- Villa garden, farm land reclamation and small hillside leveling construction
- Rural river dredging, village reservoir flood control water conservancy engineering
- Indoor house demolition, narrow basement excavation and backfilling daily work
- Engine insufficient power, weak digging torque under medium load
- Black exhaust smoke, incomplete fuel combustion and rising fuel consumption
- Engine oil leakage, cylinder gasket aging and crankcase oil seepage
- Continuous engine overheating, radiator blockage triggers high temperature alarm and power drop
- Difficult cold start, unstable idle speed and whole machine shaking under load
- Piston & valve plate abrasion leads to insufficient whole machine hydraulic pressure
- Pump overheating, metal knocking noise and front shaft oil seal leakage
- Blocked oil suction filter creates cavitation, weak digging force under load
- Long-hour continuous operation accelerates internal pump core aging damage
- Swing weak & slope sliding: Internal high-pressure oil leakage cannot hold machine steady on inclined ground
- Swing abnormal noise & jitter: Worn reducer bearing and gear metal friction vibration sound
- Swing oil leakage: Front oil seal abrasion causes continuous hydraulic oil loss and frequent oil refilling
- Swing stuck rotation: Deformed piston blocks smooth rotary movement under full load
- Swing overheating: Long continuous swing triggers full hydraulic system overheating failure
- Two-side motor displacement inconsistency leads to excavator walking deviation
- Broken travel reducer gear results in unilateral no driving power and stall
- Slow climbing and load stall on rural mountain slopes
- Long-term use produces gear wear noise and persistent oil leakage
- Valve spool sticking causes unresponsive boom, arm and bucket movement
- Internal valve oil leakage leads to automatic cylinder sinking when machine idle
- Valve joint oil seepage, frequent replenishment of hydraulic oil
- Overflow valve imbalance triggers hydraulic system overpressure and high temperature alarm
- 100% identical mounting dimension compatible with CAT C7 excavator hydraulic power system, no cutting or refitting required
- Precision CNC machined cylinder block & crankshaft, tiny matching clearance to reduce internal engine leakage greatly
- 100% factory power, flow and sealing testing before shipment, lower on-site overhaul failure rate
- High temperature resistant fluorine rubber seals, adapt tropical high-temperature construction sites
- Support 1pc trial order and large batch wholesale for global repair workshops & spare parts distributors
- Export shockproof wooden case packaging to avoid collision damage during sea transportation
- 6 months full factory quality warranty for all CAT C7 engine assemblies
- Model Number: C7, Applicable Machine: CAT C7 Mini Excavator
- OEM Reference Part No: C7-0098
- Product Form: Complete Aftermarket Full Diesel Engine Assembly
- Core Function: Supply main power output for mini excavator full digging working system
- Warranty Period: 6 Months Factory Quality Warranty
| Component Category | Model & OEM Part Number |
|---|---|
| Complete Diesel Engine Assembly | C7(C7-0098), 6HK1, DB58, D13F Engine |
| Hydraulic Main Pump | SAA4D95LE-3, K3V180, K5V200 Hydraulic Pump |
| Multi-way Distributing Control Valve | 30MR-2, 35-8(723-46-14600), PC130-7 Main Valve |
| Swing Rotary Motor & Gearbox | PC120-8(706-75-01120), DX300, EC380D Swing Motor Assembly |
| Travel Final Drive Motor | GM60(9155025), GM65, GM85 Mini & Large Excavator Travel Motor |
This C7 full diesel engine is aftermarket replacement spare part fully compatible with CAT C7 mini excavator equipped with matching power system, used for full engine overhaul replacement.
It solves CAT C7 engine power shortage, black smoke, oil leakage, engine overheating; also repairs swing weak, swing abnormal noise, swing oil leakage and swing stuck common hydraulic breakdowns for CAT C7 small excavator machinery.
No, this is brand new aftermarket replacement engine matched original installation size compatible with CAT C7 excavator power system, direct maintenance replacement without modification.
Yes, MOQ is 1 piece, we have sufficient factory stock to supply global mini excavator repair shops and spare parts wholesalers.
We supply full series C7 engines, hydraulic pumps, distributing valves, swing motors, travel motors aftermarket replacement parts compatible with CAT C7 excavator, including complete overhaul repair kits and wear parts.
Global small machinery maintenance factories and spare parts wholesalers are welcome to send inquiries. Provide your machine model number to get free part matching verification service.
