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Bobcat CT120 Compact Tractor Pdf Repair and Service Manual
Bobcat CT120 Compact Tractor Pdf Repair and Service Manual
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Bobcat CT120 Compact Tractor PDF Repair & Service Manual (S/N A59A11001 & Above)
Not every compact tractor spends its life mowing lawns. The Bobcat CT120 was developed for owners who expected one machine to handle loader work in the morning, maintain livestock properties in the afternoon and operate ground-engaging implements until sunset. Its compact dimensions make it ideal for navigating orchards, horse farms and landscaped properties, while its four-wheel-drive platform and hydrostatic transmission provide the control needed for precision work around buildings, fences and confined spaces. Unlike larger agricultural tractors, the CT120 prioritizes maneuverability without sacrificing the traction and hydraulic performance required for daily property maintenance.
Machines in this size class accumulate thousands of hours performing repetitive loader cycles, PTO-driven operations and frequent forward-reverse direction changes. Over time, hydrostatic drive components, front axle gears, steering cylinders, hydraulic pumps, three-point hitch linkages and electrical circuits experience wear that cannot be diagnosed by visual inspection alone. The OEM Bobcat Service Manual guides technicians through systematic testing, pressure checks and dimensional inspections so repairs restore factory performance instead of relying on trial-and-error parts replacement. It is written specifically for tractors with serial numbers A59A11001 & Above and includes complete repair procedures, diagnostic information and service specifications.
Machine Information
| Manufacturer | Bobcat |
| Model | CT120 |
| Machine Type | Compact Utility Tractor |
| Serial Number Coverage | A59A11001 & Above |
| Drive Configuration | 4WD |
| Transmission | Hydrostatic (HST) |
| Engine Type | 3-Cylinder Liquid-Cooled Diesel |
| Gross Engine Power | Approx. 21 HP |
| PTO Type | Independent Rear PTO |
| Three-Point Hitch | Category I |
| Hydraulic Steering | Power Steering |
| Brake System | Wet Multi-Disc Brakes |
| Rear Differential | Locking Differential |
| Cooling System | Liquid Cooled |
| Fuel Type | Diesel |
| Primary Applications | Property Maintenance, Landscaping, Small Farms, Estate Management, Loader Work |
| Compatible Implements | Front Loader, Rotary Cutter, Box Blade, Tiller, Finish Mower, Snow Blade |
| Design Advantage | Compact Size with High Maneuverability and HST Control |
Designed Around Real Workshop Repairs
The CT120 service manual does more than explain component removal. It follows the same diagnostic workflow used in Bobcat dealerships. For example, poor loader lifting performance is traced through hydraulic pressure testing before the pump is removed, while loss of travel speed is diagnosed through the hydrostatic transmission and linkage adjustments instead of replacing expensive components unnecessarily. Electrical troubleshooting includes circuit analysis to isolate charging, starting and safety switch faults, reducing repair time and avoiding misdiagnosis. Factory Service Manual Covers
- Complete engine removal, inspection and overhaul procedures
- Fuel injection system diagnosis and servicing
- Cooling system testing and repair
- Hydrostatic transmission diagnostics and adjustment
- Front axle differential inspection and rebuilding
- Power steering system troubleshooting
- Hydraulic pump testing and pressure specifications
- Hydraulic valve servicing and cylinder rebuilding
- Three-point hitch hydraulic repairs and adjustments
- PTO clutch inspection and servicing
- Brake system inspection and adjustment
- Drive shaft and final drive repairs
- Electrical system analysis and wiring diagnostics
- Charging and starting system testing
- Safety switch troubleshooting
- Main frame and chassis repair procedures
- Torque values, wear limits and service specifications
- Step-by-step disassembly and reassembly instructions
Manual Technical Information
| Manual Type | OEM Factory Service Repair Manual |
| Manual Number | 6986523 |
| Serial Number Coverage | A59A11001 & Above |
| Language | English |
| Format | |
| Bookmarks | Yes |
| Searchable | Yes |
| Printable | Yes |
| Hydraulic Schematics | Included |
| Electrical Wiring Diagrams | Included |
| Hydrostatic System Diagnostics | Included |
| Diagnostic Procedures | Included |
| Disassembly & Reassembly | Included |
| Inspection Specifications | Included |
| Torque Specifications | Included |
| Troubleshooting Charts | Included |
| Compatible Devices | Windows, macOS, Android, iPhone & Tablets |
| Instant Digital Download | Yes |
Frequently Asked Questions
Does this manual cover tractors with all serial numbers?
No. This edition is specifically written for Bobcat CT120 tractors with serial number A59A11001 & Above.
Are wiring diagrams and hydraulic schematics included?
Yes. The manual includes complete electrical wiring diagrams, hydraulic schematics and hydrostatic transmission diagnostic information for factory-level troubleshooting.
Who should use this service manual?
It is suitable for Bobcat dealers, professional mechanics, farm workshops, equipment rental companies and owners who want OEM repair procedures for maintaining or rebuilding their CT120 compact tractor.
