CAT 3126 Complete Electronic Injection Diesel Engine Assembly | Aftermarket Excavator Engine Replacement Spare Parts Compatible With CAT 3126 Series Heavy Mining Diggers
Welcome to HanRui hydraulic supply. We specialize in providing the complete CAT 3126 excavator electronic injection diesel engine assembly, precision-manufactured as a heavy-duty aftermarket replacement part compatible with CAT 3126 engineering excavator equipment. All internal cylinder blocks, crankshafts, electronic fuel injection assemblies and sealing gaskets are CNC precision machined and passed strict factory power & temperature testing, stable high-torque power output for open-pit mine, municipal road and landscape construction work, plug-and-play fit without modification, cost-effective overhaul spare part for global CAT excavator repair workshops.
- Open-pit ore & stone quarry excavation, short-distance aggregate loading operation
- Urban municipal road reconstruction, trench digging and underground pipeline laying
- Villa garden, farm land reclamation and indoor demolition construction
- Rural river dredging, village reservoir flood control water conservancy engineering
- Small mountain highway and hillside leveling project
- Engine insufficient power, weak digging torque under full mining 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 heavy load
- Piston & valve plate abrasion leads to insufficient whole machine hydraulic pressure
- Pump continuous overheating, metal knocking noise and front shaft oil seal leakage
- Blocked oil suction filter causes hydraulic cavitation, weak digging force under load
- Long-hour 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
- 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 failure triggers hydraulic system overpressure and high temperature alarm
- 100% identical mounting dimension compatible with CAT 3126 excavator hydraulic power system, no cutting or refitting required
- Precision CNC machined cylinder block & crankshaft, ultra-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 single piece trial order and large batch wholesale for global repair shops & spare parts distributors
- Export shockproof wooden case packaging to avoid collision damage during sea transportation
- 12 months full factory quality warranty for all CAT 3126 engine assemblies
- Model Number: 3126, Applicable Machine: CAT 3126 Excavator
- OEM Reference Part No: 8943601800
- Product Form: Complete Aftermarket Electronic Injection Diesel Engine Assembly
- Core Function: Supply full power output for excavator digging working system
- Warranty Period: 12 Months Factory Quality Warranty
| Component Category | Model & OEM Part Number |
|---|---|
| Complete Diesel Engine Assembly | 3126(8943601800), 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 |
- Which excavator fits this CAT 3126 engine assembly?
- What engine and swing motor faults can this 3126 engine fix?
- Is this original CAT factory engine spare part?
- Can I buy only 1 piece 3126 engine for repair trial?
- What other matching spare parts do you supply for CAT 3126?
This 3126 electronic injection diesel engine is aftermarket replacement spare part fully compatible with CAT 3126 construction excavator equipped with matching power system, used for full engine overhaul replacement.
It solves CAT 3126 engine power shortage, black smoke, oil leakage, overheating, cold start difficulty; also repairs swing weak, swing abnormal noise, swing oil leakage and swing stuck common hydraulic breakdowns for CAT 3126 series diggers.
No, this is brand new aftermarket replacement engine matched original installation size compatible with CAT 3126 excavator power system, direct maintenance replacement without modification.
Yes, MOQ is 1 piece, sufficient factory stock to supply global machinery repair workshops and spare parts wholesalers.
We supply full series engines, hydraulic pumps, distributing valves, swing motors, travel motors aftermarket replacement parts compatible with CAT 3126 excavator, including complete overhaul repair kits and wear parts.
Global machinery maintenance factories and spare parts wholesalers are welcome to send inquiries. Provide your machine model number to get free part matching verification service.
