John Deere Sabre 1338–1646 Technical Manual — Wiring Diagrams

$24.95 USD · one-time payment

Model: 1338 Gear | 1538 Gear | 1538 Hydro | 15538 Gear | 15538 Hydro | 1546 Gear | 1638 Hydro | 1646 Gear | 1646 Hydro
Type: Lawn Tractor
191 Pages·19 MB·Searchable PDF·English·Print-Ready
  • ✓ Wiring Diagrams
  • ✓ Torque Specs
  • ✓ Multi-Level Bookmarks (2-level navigation)
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John Deere Sabre 1338–1646 transaxle exploded view.
John Deere Sabre 1338–1646 Technical Manual — Wiring Diagrams
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All 191 pages of this Sabre Technical Manual (OEM TM-GX10131, PDF) focus on the 1338, 1538, 15538, 1546, 1638, and 1646 lawn tractors, covering both Gear and Hydro drive versions. You get factory wiring diagrams plus a full electrical diagnostics section: battery, starter solenoid, seat switch, ignition switch, and ground circuit tests. Complete transaxle work is here too, from shift linkage adjustment and brake service on the gear models to the K55/K51 bleed procedure on the hydros, backed by exploded views and Grade 1 through Class 12.9 torque values. Check your gear model's traction drive belt against the 2660±8 mm new-length spec, then torque the blade cap screws to 46-65 N-m before the deck goes back on. A no-crank fault on mowing day is a bad morning. Bookmarked with a real text layer: search the spec, walk to the tractor, fix it.

What's Inside This Manual

SystemPagesKey Topics
Specifications2-5Engine, Electrical, Fuel/Air System, Power Train, Mower Deck, Chassis
Unified Inch Torque Values6Grade 1, Grade 2, Grade 5, Grade 8, Shear Bolts, Lock Nuts
Metric Torque Values7Class 4.8, Class 8.8, Class 9.8, Class 10.9, Class 12.9, Shear Bolts
Gasoline Specifications8Gasoline Storage, Engine Oil
Lubricant Specifications8-9Engine Oil, Grease, Alternative Lubricants, Synthetic Lubricants, Oil Filters, Lubricant Storage
Specifications & Information10-17Power Train K55/K51, Traction Drive Belt, Mower Deck, Chassis, Hitch Capacity, Steering, Wheels, Tires
Engine18-23Engine Specifications, Engine Removal, Engine Installation
Electrical24-51Electrical Schematic, Diagnostics, Battery Test, Starter Solenoid Test, Seat Switch Test, Ignition Switch Test, Ground Circuit Tests
Gear Power Train52-85Transaxle Operation, Traction Drive System, Shift Linkage Adjustment, Transaxle Removal, Transaxle Disassembly, Brake Assembly
Hydrostatic Power Train86-145K55/K51 Transaxle, Traction Drive System, Brake/Neutral Return Pedal, Transport (Free-Wheel) System, Transaxle Bleed Procedure
Steering, Attachments, Miscellaneous, and Index146-191Steering Gear Removal, Mower Deck Removal, Mower Spindle Assembly, Fuel Tank and Dash Panel, Service Information Bulletins, Index

Quick Reference Specifications

SpecificationValuePage
Traction Drive Belt (Gear) New Belt Length2660±8 mm (104.7±0.3 in.)p. 11
Traction Drive Belt (Hydro—K55 Transmission) New Belt Length2485±8 mm (97.8±0.3 in.)p. 11
Mower Deck Drive Belt (38-Inch Deck) Actual effective length2425±10 mm (95.5±0.4 in.)p. 11
Mower Deck Drive Belt (46-Inch Deck) Actual effective length3492±10 mm (137.5±0.4 in.)p. 11
Blade Cap Screw46-65 N•m (34-48 lb-ft)p. 167
Spindle Assembly Nuts27 N•m (20 lb-ft.)p. 167
Crankcase Oil Capacity3 Pintsp. 9
Fuel Tank Capacity4.7 L (1.25 gal)p. 9
Battery Cranking Amps230 amps at 0° C (32° F)p. 9
Battery Cold Cranking Amps190 amps at 0° C (32° F)p. 9
Headlight BulbsType 1156, 12 Voltp. 9
Hydrostatic Transmission Capacity (K55)1.6 L (3.4 pt)p. 10
BrandJohn Deere
Model1338 Gear, 1538 Gear, 1538 Hydro, 15538 Gear, 15538 Hydro, 1546 Gear, 1638 Hydro, 1646 Gear, 1646 Hydro
Machine TypeLawn Tractor
Manual TypeTechnical
LanguageEnglish
FormatSearchable PDF (Digital Download)
Pages191
File Size19 MB
Manual No.TM-GX10131
Wiring DiagramsYes
Hydraulic SchematicsNo
Torque SpecificationsYes
Bookmarked / IndexedYes