New Holland GT18, GT20, GT22 Garden Tractor Service Manual
740 pages · Publication 86620471
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- Models
- GT18, GT20, GT22
- Manual type
- Service Manual
- Pages
- 740
- Publication
- 86620471
- Condition
- Brand new
What's inside
From the manual's own table of contents: 11 sections, 121 entries. See sample pages (PDF, 584 KB)
SECTION 1 - ENGINE SYSTEMS17 topics
- Safety and General Information
- Special Tools
- Troubleshooting
- Air Cleaner and Air Intake System
- Fuel System and Governor
- Lubrication System
- Retractable Starter
- Electrical System and Components
- Disassembly
- Inspection and Reconditioning
- Reassembly
- General Information
- Fuel System
- Cooling System
- Engine Top End
- Camshaft/Crankshaft
- Electric System
SECTION 2 - ELECTRICAL40 topics
- Introduction
- Component Location and Function
- Wiring Harnesses
- Wiring
- Ground Locations
- Electrical System Components - Description and Testing
- Battery
- Fuses
- Starter
- Relays
- Seat Safety Switch (SW1)
- Brake Switch (SW2)
- PTO Switch (SW3)
- Key Switch (SW4)
- Reverse Switch (No Mow In Reverse - (NMIR) (SW5)
- Parking Brake Switch (SW6) (GT 20 and 22 Only)
- Cruise Disengage Switch (SW7) (GT 20 and 22 Only)
- Cruise Control Switch (SW8) (GT 20 and 22 Only)
- Key Override Switch (NMIR) (SW9)
- Battery Light Module (GT18 and 22 - 2000 and Newer Models)
- Cruise Control Module (GT20 and 22 Only)
- Kawasaki Module (GT20 Only) (Earlier Than 2000 Models)
- Kohler Module (GT18 and 22 Only)
- (2000 and Newer Models)
- Fuel Level Sending Unit
- Oil Pressure Switch
- Oil Temperature Sending Unit (GT18 and 22 Only)
- Engine Coolant Temperature Sending Unit (GT20 Only)
- PTO Clutch
- Headlights
- Taillights
- Cruise Control Magnet
- Fuel Shutoff Solenoid
- Regulator
- Instrument Panel
- Gauges and Indicator Lights
- Hour Meter
- Fuel Pump (GT20 Only)
- Electrical Schematics
- Starting Circuits
SECTION 3 - PTO SYSTEM18 topics
- Specifications
- Description and Operation
- Clutch Testing
- Belt Adjustment
- Clutch Removal
- Clutch Inspection
- Clutch Installation
- Belt Removal
- Belt Installation
- Pulley Box Removal
- Pulley Box Inspection
- Pulley Box Installation
- Description of Operation
- Product Identification and Ordering Information
- Special Tools to Aid in Disassembly/Reassembly
- Transmission Disassembly/Reassembly
- Start-up Procedure
- Fluid Recommendations
SECTION 4 - HYDROSTATIC TRANSMISSIONS8 topics
- Bolt Torque Specifications
- Overhaul
- Differential/Axle - Disassembly
- Differential/Axle - Assembly
- Transaxle
- Hydraulics
- Hydraulics Overhaul
- Testing
SECTION 6 - STEERING AND FRONT AXLE14 topics
- Manual Steering System
- Manual Steering System Overhaul
- Power Steering System
- Power Steering System Overhaul
- Front Axle
- Front Axle Overhaul
- Automatic Speed Reduction
- Upper Lift Linkage
- Lower Lift Linkage
- Lift Cylinder
- Adjusting the Deck Slope for Transport
- Quick Attach
- Rear Quick Attach
- Front Quick Attach
SECTION 8 - SPECIFICATIONS13 topics
- Attachments and Accessories
- Serial Number
- Maintenance Tables
- Hardware Tightening Torques Tables
- Metric/Inch Conversion Tables
- Repair Time Schedules
- Mower Installation
- Mower Removal
- Tips For Mowing Grass
- Maintenance
- Greasing and Lubrication
- Checking PTO Drive Belt Tension
- Storage
Inside this manual
Real pages from this service manual (740 pages). Open the sample pages (PDF, 583 KB)
- Diagram, page 428: SECTION 2 - ELECTRICAL
- Troubleshooting, page 637: SECTION 6 - STEERING AND FRONT AXLE
- Specifications, page 670: SECTION 8 - SPECIFICATIONS
- Color page, page 547: REPAIR
- Color page, page 319: REPAIR
This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 740 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).