John Deere 3033R, 3038R, 3039R, 3045R and 3046R Compact Utility Tractor Diagnostic and Repair Manual

What's Covered in This Manual

This is the Diagnostic and Repair Manual (TM130619, dated 03SEP14) covering five closely related John Deere compact utility tractors: the 3033R, 3038R, 3039R, 3045R and 3046R. These five models span two engine generations, and the manual is careful to spell out exactly which engine goes with which tractor: the 3033R, 3038R and 3045R use the 3TNV88, 3TNV84T and 3TNV84HT Yanmar diesels respectively, while the 3033R, 3039R and 3046R (the Interim Tier 4 generation) use the updated 3TNV88C, 3TNV86CT and 3TNV86CHT versions. Notice the 3033R appears in both lists - it was carried across the engine update - so confirming your tractor's actual engine model before ordering parts or following a repair procedure matters more on this manual than most.

As a true Diagnostic and Repair manual rather than an operator's manual, this book leads with an extensive safety section before getting into the technical content, and Section 25 is devoted entirely to Diagnostic Trouble Codes - both tractor ECU and non-tractor ECU codes - which is essential for pinpointing the source of a fault on these electronically controlled compact tractors before pulling anything apart.

Beyond diagnostics, the manual covers the diesel engine (with its own dedicated theory of operation section), the North American electrical system, and two separate power train sections - one for tractors with the hydrostatic transmission and one for tractors with the PowrReverser transmission - plus final drive troubleshooting and the full hydraulic system. For anyone running one of these five tractors, this manual gives the exact diagnostic and repair path for the specific engine and transmission combination fitted to that machine.

Table of Contents

• Section 10 - General Information - safety information
• Section 20 - Specifications and Information - general specifications by model
• Section 25 - Diagnostic Trouble Codes - tractor ECU and non-tractor ECU trouble codes
• Section 30 - Engine - Diesel - theory of operation, specifications, repair
• Section 40 - Electrical - North America - wiring, diagnostics, repair
• Section 60 - Power Train - Hydrostatic - component location, repair
• Section 65 - Power Train - PowrReverser - repair
• Section 70 - Power Train - Final Drive - final drive troubleshooting
• Section 80 - Hydraulics - hydraulic system diagnostics and repair