John Deere 1023E 1025R 1026R Compact Utility Tractor Technical Manual TM126919
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Complete TM126919 technical repair manual for the John Deere 1023E, 1025R and 1026R compact utility tractors, covering engine, fuel, electrical, power train, hydraulics, and diagnostic testing. Instant PDF download.
Description
John Deere 1023E 1025R 1026R Compact Utility Tractor Technical Manual TM126919
This is the complete John Deere 1023E 1025R 1026R Compact Utility Tractor Technical Manual TM126919, published January 2013, written for the experienced technician who repairs and services these compact tractors. Unlike an owner’s manual, this technical manual is the shop-level reference used to diagnose failures, test systems, and carry out the actual repair procedures on the 1023E, 1025R, and 1026R EEC models.
File Details
- Manual type: Technical (Service/Repair) Manual
- Brand: John Deere
- Covered models: 1023E, 1025R, 1026R (1026R EEC)
- Document number: TM126919
- Publication date: January 2013
- Language: English
- Page count: 1399 pages
- File format: PDF
Chapters Covered
- Section 10 – General Information
- Safety
- General Specifications
- Fuel and Lubricants
- Serial Number Locations
- Features and Accessories
IMAGES PREVIEW
- Section 20 – Engine Repair
- Engine
- Cooling System
- Section 30 – Fuel and Air Repair
- Fuel System
- Air Intake and Exhaust Systems
- Speed Control Linkage
- Section 40 – Electrical Repair
- Battery, Starter and Alternator
- Electrical System Components
- Wiring Harness
- Section 50 – Power Train Repair
- Transmission
- Rear PTO Driveshaft
- Differential
- Final Drives
- Mechanical Front Wheel Drive
- Section 60 – Steering and Brake Repair
- Steering Repair
- Brake Repair
- Section 70 – Hydraulics Repair
- Hydraulic Pump and Filter
- Rockshaft
- Selective Control Valve
- Section 80 – Miscellaneous Repair
- Wheels
- 3-Point Hitch
- Hood
- Mid-Mount Lift
- Section 90 – Operator’s Station Repair
- Seat and Support
- ROLL-GARD
- Operator Platform
- Fenders
- Section 210 – Operational Checkout Procedures
- Section 220 – Engine Operation, Tests, and Adjustments
- Component Location
- Theory of Operation
- Diagnosis, Tests, and Adjustments
- Section 230 – Fuel and Air Operation, Tests, and Adjustments
- Section 240 – Electrical System Operation, Tests, and Adjustments
- Wiring Schematics
- Connector Information
- Section 250 – Power Train Operation, Tests, and Adjustments
- Section 260 – Steering and Brake Operation, Tests, and Adjustments
- Section 270 – Hydraulic System Operation, Tests, and Adjustments
- Hydraulic Tests
- Adjustments
- Hydraulic Schematics
- Section 299 – Service Tools
- Dealer Fabricated Tools
- Service Tools and Kits
Across nearly 1,400 pages, this John Deere 1023E 1025R 1026R technical manual gives a technician everything needed to move from symptom to fix: component locations, theory of operation for each major system, step-by-step diagnostic testing, adjustment specifications, and full teardown/rebuild procedures for the engine, power train, hydraulics, steering, brakes, and electrical system.
Machine Coverage
The manual documents all three EEC variants side by side: the 1023E with its Yanmar 3TNM74 diesel engine, the 1025R with the Yanmar 3TNV80, and the 1026R EEC with the Yanmar 3TNV76 — each an in-line 3-cylinder, liquid-cooled diesel with indirect injection and a mechanical rotary injection pump. It covers the hydrostatic transmission and 2-range gear final drive, fully independent 540 rpm PTO, hydrostatic power steering, internal wet-disk brakes, and the open-center gear-pump hydraulic system shared across the model line, along with fluid capacities, torque specifications, and metric and inch fastener torque charts used throughout every repair procedure in the book.
Get the Most Out of This Manual
With this John Deere 1023E 1025R 1026R Technical Manual TM126919, you can diagnose engine, fuel, electrical, power train, steering, brake, and hydraulic faults using the same theory-of-operation and diagnostic testing sequences John Deere technicians rely on, then follow the documented procedures to correctly torque fasteners, service the fuel and lubrication systems, and rebuild or replace components on the 1023E, 1025R, and 1026R. Working from the correct specifications and procedures protects the machine from improper repairs and helps avoid comebacks. This is an instant PDF download — there’s no shipping wait, it opens on a computer, tablet, or phone, and you can print any page you need right in the shop.
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