John Deere, Powertech, 4.5, 6.8, Diesel Engine, repair
This is a professional electronic pdf download version of the John Deere powertech (plus) 4.5 & 6.8 L diesel engine manual.
How to fix your powertech 4.5 & 6.8 diesel engine with the help of this CTM 104 2006 manual.
Type: Service manual
Model specifications: powertech 4.5 & 6.8
Manual Language: English
Manual format: pdf - manual / ebook (zip)
Requirements: Adobe PDF Reader & WinZip
Delivery: Download link will appear on the checkout page after your payment is complete.
Compatible: All versions of Windows & Mac
This manual contains the following model(s):
Powertech 4.5 L
Powertech plus 4.5L
Powertech 6.8 L
Powertech plus 6.8 L
In this manual you have the following chapters:
Engine Identification and Application
Fuels, Lubricants and Coolants
Repair and Adjustments
Cylinder Head and Valves (Two-Valve Head Engines)
Group 021 Cylinder Head and Valves (Four-Valve Head Engines)
Cylinder Block, Liners, Pistons and Rods
Crankshaft, Main Bearings and
Camshaft, Balancer Shafts and Timing
Air Intake and Exhaust System
Starting and Charging Systems
Theory of Operation
Base Engine Operation
Observable Diagnostics and Tests
Tools and Other Materials
Repair Tools and Other Materials
Diagnostic Service Tools
Dealer Fabricated Service Tools
Repair and General OEM
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John Deere Powertech 4.5 Diesel Engine Power Ratings and Specifications
All John Deere 6030 Premium Series and 7130 Premium Tractors feature the dependable and proven 4.5 L (276 cu in.) engines. These air-to-air after-cooled engines offer constant power over a wide range of rpm with a power bulge above rated power and brilliant torque characteristics. John Deere uses the horsepower rating standard 97/68 EC, which is extensively used in Europe for various regulations. See our John Deere Powertech 4.5 & 6.8 Diesel Engine Service Manual Download below.
How is engine-only rated and full power determined?
John Deere engineering uses a particular procedure to measure engine-only power levels. The 97/68 EC standard is mandatory in the European Union (EU) as an emission test, therefore there is some relation to the power a tractor has as a full functioning unit; however, the procedure involves only that a production engine and radiator are used on a dynamometer test. You can read John Deere Powertech 4.5 & 6.8 Diesel Engine Service Manual Download for details on this.
The John Deere exclusive electronic fuel injection system, single-injector control, and other key engine parts function together to sense engine load and promptly respond as required to pull through tough spots. This lessens engine rpm fluctuation resulting in the reduced need to downshift the transmission. Fewer shifts bring in fewer ground variations, giving more overall tractor productivity.
To match the engine power characteristics and increase economy of operation, the rated engine speed is 2300 rpm. All 6030 Premium Series Tractor engines have an operational speed range of 1000 to 2300 rpm. Steady horsepower range is from 1500 to 2300 rpm. John Deere Powertech 4.5 & 6.8 Diesel Engine Service Manual Download will reveal these to you. The manual will help you to learn how to maintain and repair John Deere Powertech 4.5 & 6.8 Diesel Engine hassle free.