Qianzhuo Machinery
| Aspiration | Turbocharged and Aftercooled |
| Max Torque | 800 N.m at 1400 RPM |
| Warranty | 12 months or 2000 running hours |
| Supply Ability | 60 Sets per Month |
| Rated Speed | 2200 RPM |
| Governor | Mechanical, variable speed |
| Bore x Stroke | 102 x 120 mm |
| Displacement | 5.9L |
| Rated Power | 185HP / 136kW |
| Cooling System | Water Cooled |
| Test Report | Serialized bench test sheet supplied with each engine |
| Fuel System | In-line Mechanical Injection Pump |
| Dry Weight | 500 kg |
| Spare Parts Kit | Matched head group, liner and piston kit, gasket set, bearings |
| Cylinder Configuration | 6 Cylinder In-line |
| Delivery Time | 7-15 working days after deposit, stock sets in 3 working days |
| Packaging Details | Plywood case with VCI anti-rust film and desiccant, shock mounts under oil pan, case 1300x900x1150mm, gross weight 660kg, 12 sets per 20GP |
| Engine Model | 6BTA5.9-C185 |
| Payment Terms | T/T 30 percent deposit,balance before shipment; L/C at sight; Western Union |
| Compression Ratio | 16.5 : 1 |
| Model Number | 6BTA5.9-C185 |
| Brand Name | QZ |
| Place of Origin | China |
| Certification | ISO 9001:2015 |
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Product Specification
| Aspiration | Turbocharged and Aftercooled | Max Torque | 800 N.m at 1400 RPM |
| Warranty | 12 months or 2000 running hours | Supply Ability | 60 Sets per Month |
| Rated Speed | 2200 RPM | Governor | Mechanical, variable speed |
| Bore x Stroke | 102 x 120 mm | Displacement | 5.9L |
| Rated Power | 185HP / 136kW | Cooling System | Water Cooled |
| Test Report | Serialized bench test sheet supplied with each engine | Fuel System | In-line Mechanical Injection Pump |
| Dry Weight | 500 kg | Spare Parts Kit | Matched head group, liner and piston kit, gasket set, bearings |
| Cylinder Configuration | 6 Cylinder In-line | Delivery Time | 7-15 working days after deposit, stock sets in 3 working days |
| Packaging Details | Plywood case with VCI anti-rust film and desiccant, shock mounts under oil pan, case 1300x900x1150mm, gross weight 660kg, 12 sets per 20GP | Engine Model | 6BTA5.9-C185 |
| Payment Terms | T/T 30 percent deposit,balance before shipment; L/C at sight; Western Union | Compression Ratio | 16.5 : 1 |
| Model Number | 6BTA5.9-C185 | Brand Name | QZ |
| Place of Origin | China | Certification | ISO 9001:2015 |
| High Light | 6BTA5.9-C185 Complete Diesel Engine ，Complete Drop-in Engine Assembly ，Cummins 6BTA5.9 185HP Engine | ||
The 6BTA5.9-C185 is a 5.9 litre, six cylinder in-line diesel engine with turbocharging and aftercooling, rated 185 hp (136 kW) at 2200 rpm. It is delivered as a complete drop-in assembly – not a bare long block – so the unit can be lifted into the machine, connected and started without sourcing injectors, harness, flywheel housing or mounting brackets separately. Each assembly leaves our yard together with a matched spare parts kit keyed to the engine serial number, plus a serialized bench test sheet.
| Group | Content |
|---|---|
| Base engine | Cylinder block, crankshaft, connecting rods, pistons, camshaft, timing gear train, oil pan and oil pump |
| Cylinder head | Fully assembled head, valves lapped, valve clearance preset, rocker cover fitted |
| Fuel system | In-line injection pump timed to the engine, injectors flow matched, feed pump, fuel filter head |
| Air system | Turbocharger, aftercooler core, intake manifold, air filter housing |
| Cooling group | Water pump, thermostat, fan hub, pulley set |
| Electrical group | 24 V starter, 70 A alternator, oil pressure and water temperature sensors, engine harness |
| Drive interface | Flywheel and SAE 3 flywheel housing, front and rear lifting eyes, mounting brackets |
| Test item | Acceptance criteria |
|---|---|
| Rated power hold | 185 hp within plus or minus 3 percent at 2200 rpm, 30 minutes continuous |
| Torque backup | Not less than 20 percent at 1400 rpm |
| Specific fuel consumption | 215 g/kWh or lower at the rated point |
| Lubrication | Oil pressure 3.0 to 4.5 bar at rated speed, 1.0 bar minimum at hot idle |
| Crankcase blow-by | Within the drawing limit for this rating |
| Exhaust temperature | Stable at full load, no cylinder deviation above 40 degrees C |
| Sealing | 30 minute full load run with no external oil, fuel or coolant leakage |
| Documentation | Test sheet printed with the engine serial and shipped with the unit |
| Item | Value |
|---|---|
| Dry engine weight | 500 kg |
| Packing | Plywood case, VCI anti-rust film, desiccant, shock mounts under the oil pan |
| Case size | 1300 x 900 x 1150 mm |
| Gross weight | 660 kg |
| Loading | 12 sets per 20GP container |
| Lead time | 7 to 15 working days after deposit, stock units faster |
Every assembly carries 12 months or 2000 running hours warranty, whichever comes first. Wear part supply is guaranteed for 5 years after delivery so a second overhaul stays on the same part numbers. Commissioning guidance, torque values and injection timing settings are supplied in English and can be walked through on video call during first start-up.
Can the engine be built to a different rating? Yes. The same platform is available at 160 hp and 210 hp settings, and a 1500 rpm generator build is kept separately.
Is the injection pump timed on arrival? Yes, the pump is fitted and timed on the bench, so only the fuel line connection and idle setting remain at site.
Can the spare parts kit be enlarged? Yes, a full overhaul kit covering liners, pistons, bearings, gaskets and valve train can be quoted together with the engine.
How do we confirm the fitment? Send the machine model, the old engine nameplate photo or the engine serial number and we will confirm the drive interface, fan position and governor type before the order is released.
Send your machine model or engine nameplate photo and we will return a quotation with the matched spare parts list.
Company Details
Business Type:
Distributor/Wholesaler,Exporter,Trading Company,Manufacturer
Ecer Certification：
Verified Supplier
Zhengzhou Qianzhuo Auto Parts Co., Ltd (Qianzhuo Machinery) is a professional company which focused on the business and service of diesel engine, engine parts and engineering & construction machinery parts, products are widely used on construction/engineering machinery, truck, bus, coach, m... Zhengzhou Qianzhuo Auto Parts Co., Ltd (Qianzhuo Machinery) is a professional company which focused on the business and service of diesel engine, engine parts and engineering & construction machinery parts, products are widely used on construction/engineering machinery, truck, bus, coach, m...
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