4.5L B4.5 Loader Engine Assembly QSB4.5 Complete Diesel Engine

Product Specification

excavator loader engine assembly 4.5L B4.5 Engine QSB4.5 complete diesel engine

Key Features of QSB4.5 diesel engine : 

1 4.5L displacement achieves torque of 173HP/705N · m, peak torque is achieved at a low speed of 1500rpm, with fast response to starting/heavy load/climbing, suitable for frequent load changes and low-speed operation scenarios

2 The B-series engine has a mature platform, reinforced cylinder/crankshaft makes the QSB4.5 engine has a long overhaul intervals, and low failure rates

3 The QSB4.5 engine has the advantage of small size, light weight, rear gear chamber design, low noise (5-9dB lower than previous generation), low vibration, suitable for construction machinery, agricultural machinery, and vehicle mounted equipment with limited space

Application of QSB4.5 engine: 

1. Construction machinery (core mainstay)
Excavator (6-13 tons small excavator), loader (1.5-3 tons), roller, grader, paver
Forklift (3-8 ton internal combustion forklift), aerial work platform, concrete pump truck/mixer truck, drilling rig, air compressor

2. Agricultural machinery
Tractor (80-140 horsepower), combine harvester, silage machine, rotary tiller, baler, irrigation pump set

3. Industrial Power&Generation
Generator set (standby/commonly used, 60-120kW), water pump set, air compressor, small mining/port equipment, oilfield power

4. Specialized vehicles (light/medium)
Cleaning truck, sprinkler truck, obstacle clearing truck, aerial work vehicle, small fire truck, special operation vehicle

Specification of QSB4.5 complete diesel engine: 

Who We Are?

We are a professional supplier which is focus on diesel engine, engine parts, and construction machinery parts for various brands equipment,

Includes engine assembly, engine long block, cylinder head, cylinder block, piston, crankshaft, liner kit, excavator/loader/bulldozer chassis parts

etc.

We help customer to get a correct engine and spare parts with reliable quality and workable price. According to customer's needs, we can

supply both original and OEM copy quality products. All products are 100% tested before delivery.

As for the diesel engines, quality options are various, we can supply new engine, rebuilt/remanufactured engine, refurbished engine, etc. It

depends on customer's option.

For some of the big and expensive machinery spare parts, we also able to supply customer the original refurbished one or OEM copy quality.

How to get a quotation from us?

Please contact us and tell us what you need: 

If you need diesel engine, please tell us the engine model, it is better if you have old engine's nameplate or serial number, or the old engine's pictures from each side. If you don't have these information, please tell us the engine power requirement, the engine application, the torque requirement, etc, as detail as possible, we will try to help you select a suitable model. 

If you need engine parts or machinery parts, please tell us the engine brands/model or machinery brands/model with its part number. We will check according to it. Sometimes the machinery VIN code may also helps. 

Other engine models we supply:

4BT3.9, 6BT5.9, 6CT8.3, 6LTAA8.9, QSB3.9, QSB4.5, QSB5.9, QSB6.7, ISB6.7, QSC8.3, QSL8.9, QSZ13, QSM11, ISM11, NTA855, QSX15, ISX15, KTA19, QSK19, QSK23, QST30, QSK38, QSK45, KTA50, QSK60, etc.