Komatsu SAA3D95E-1 Engine for Komatsu PC78US-11 Excavator
The Komatsu PC78US-11 series excavator is a compact and efficient machine suitable for a variety of construction and excavation tasks, especially in narrow spaces. The vehicle has an operating weight of 7910 – 8250 kg and is mainly powered by a SAA3D95E-1 engine with a main power of 51 kW and a torque of 1850 rpm.
As part of EMAC, ConeMac provides industrial power pack solution that integrated with air intake, air exhaust, cooling system, control system, transmission and hydraulic accessories, We also supplying special products such as explosion proof engine, generator and water pump set, as well as ultra-low temperature condition engine power pack.
We provide full life cycle services for all customers, from design to power system supply, from installation to commissioning, from after-sales service training to spare parts supply, from trouble shooting to overhaul technical support.
EMAC Group Participates in Automechanika Istanbul Exhibition in Istanbul
As one of the largest automotive events in the world, the Automechanika Istanbul Show attracts exhibitors and visitors from across the globe. Our Company is excited to showcase its latest products and services at the event, which will provide an excellent opportunity to network with industry professionals and connect with potential customers.
EMAC Customer Interview-Thailand Engineering Company
A Promise is A Promise, EMAC always do what we say, and for customer’s feedback, also 100% original from clients’s real words. EMAC, a Chinese company that you can trust !
EMAC Customer Interview-Indonesia Shipyard
A Promise is A Promise, EMAC always do what we say, and for customer’s feedback, also 100% original from clients’s real words. EMAC, a Chinese company that you can trust!
Identification and Classification Report for Air Transport of Goods
Advantages of Komatsu SAA3D95E-1
High efficiency and fuel economy: Komatsu engines use advanced fuel injection technology and electronic control systems to optimize fuel efficiency, reduce fuel consumption, and lower operating costs.
Strong durability: These engines are designed to be reliable in long-term operation, can withstand heavy loads in harsh environments, and reduce failures and downtime.
Easy maintenance: Komatsu considers easy maintenance and maintenance in the design of the engine. The engine parts are usually easy to check and replace, which reduces maintenance costs and time.
Intelligent control: Many Komatsu engines are equipped with intelligent control systems that can monitor engine performance in real time, optimize operation, and improve operating efficiency.
Compliance with environmental standards: Komatsu engines usually meet the latest emission standards, such as EU Stage V, US EPA Tier 4, etc., and use advanced emission after-treatment technology to reduce the emission of harmful gases.
Technical Specifications
| Excavator Model： | PC78US-11 |
| Engine Model: | Komatus SAA3D95E-1 |
| Rated Power: | 51 kW |
| Rated Speed: | 1850 RPM |
| Operating Weight: | 7910 – 8250 kg |
| Bucket Capacity: | 0.09 – 0.20 m³ |
| Number of cylinders: | 3 |
| Bore: | 3.74 in |
| Stroke: | 4.52 in |
| Piston displacement: | 149.5 in³ |
| Type: | Water-cooled, direct injection |
| Lead Time: | 15 – 30 Working Days |
| Payment Terms: | T/T,L/C |
Excavators Model | Engine Model | Engine Brand | Rated Power | Rated Speed |
| PC78US-11 | SAA3D95E-1 | Komatsu | 51 kW | 1850 RPM |
| ——END—— | ||||
| Hydraulic System Information of Komatsu PC78US-11 Excavator | |||
| Type | HydrauMind System | Maximum Flow | 168 ltr/min |
| Number of Selectable Working Modes | 6 | Boom | 1-120 mm * 1015 mm * 70 mm |
| Main Tump Type | Variable displacement, axial piston | Arm | 1-110 mm * 715 mm * 65 mm |
| Pump For | Boom, arm, bucket, swing and travel circuits | Bucket | 1-90 mm * 710 mm * 55 mm |
| Drives and Brakes Information of Komatsu PC78US-11 Excavator | |||
| Steering Control | Two levers with pedals | Travel Speeds | 5.0 / 2.7 km/h |
| Drive Method | Hydrostatic | Service Brake | Hydraulic lock |
| Maximum Drawbar Pull | 68.2 kN 6950 kgf | Parking Brake | Mechanical disc brake |
| Gradeability | 70%, 35° | ||
| Coolant & Lubricant Capacity Information of Komatsu PC78US-11 Excavator | |||
| Fuel Tank | 125 ltr | Final Drive, Each Side | 1.1 ltr |
| Coolant | 16 ltr | Hydraulic Tank | 56 ltr |
| Engine | 10.5 ltr | Swing Drive | 2.0 ltr |
| ——END—— | |||
General Infomation of Komatsu SAA3D95E-1 Engine | |||
| Engine Model | KomatsuSAA3D95E-1 | Horsepower, Gross – SAE J1995 | 50.7 kW / 68.0 HP |
| Type | Water-cooled, 4-cycle, direct injection | Horsepower, Net – ISO 9249 / SAE J1349 | 50.6 kW / 67.8 HP |
| Aspiration | Variable flow turbocharged, aftercooled, cooled EGR | Fan at Maximum Speed | Net 48.4 kW / 64.8 HP |
| Number of Cylinders | 3 Cylinders | Fan Drive Method | Mechanical |
| Bore * Stroke | 95 mm * 115 mm | Emissions Certification | EPA Tier 4 Final |
| Piston Displacement | 2.45 ltr | Governor | All-speed control, electronic |
| ——END—— | |||
Can Quality be Guaranteed?
(1)Strict production process and testing: The production process adopts advanced manufacturing technology and strict quality management system to ensure that each engine is precisely assembled and tested. Komatsu will conduct various performance tests, such as power test, emission test, etc., to ensure the running stability and reliability of the engine.
(2) Quality management system: Our company has a complete quality management system to ensure that every link meets strict quality standards.
(3) Continuous improvement and feedback mechanism: We focus on continuous improvement, communicate with customers through feedback mechanism, continuously optimize product quality and performance, and ensure that the needs of the market and customers are met.
Is the Price Reasonable?
We are the original manufacturer and can give you the most suitable price. The key to dealing with Chinese suppliers is to find and choose reliable business partners who will not deceive you for short-term business, but aim to establish a long-term career and lifelong partnership. EMAC is one of the reliable partners. We will not pursue short-term high profits, but we care about our decades of good reputation. Our cooperation with all business partners is not only as suppliers and customers, but also as close friends and brothers.
What should I do if I don’t Understand the Product?
You can unconditionally explain your needs to us. We have a professional team that uses simple and clear language to explain the characteristics and advantages of the product and help you choose the right engine to match your machine. If you need further support or explanation, we are always available to help and explain the relevant content to help you solve the problem.
How to Place an Order?
You can confirm the product by connecting with our sales, or you can choose to contact us through wahtspp or your email, and we will guide you to complete the order process.
Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.
Engine Sale Manual
Installation Drawing
Installation Manual
Operation Manual
Parts Catalogue
![](/wp-content/uploads/2021/08/WhatApp-Icon.png"){kind=icon}
