Part of the Kubota Repair Manuals.
This Kubota Workshop Manual is the factory service reference for the F2880 and F3680 front mount diesel mowers, together with the RCK72P-F36, RCK72R-F36, RCK60P-F36 and RCK60R-F36 mower decks. It runs 314 pages and is built around Kubota's D1105-E2-FM2 and V1505-E2-FM3 diesel engines.Coverage takes in the whole machine: engine, the hydrostatic transmission, front and rear axles, brakes, steering, the hydraulic system, the electrical system with wiring diagrams, and the mower deck power train. Each section pairs troubleshooting with servicing specifications and tightening torques.From a hydrostatic drive that has gone weak to a deck that scalps or a diesel that is hard to start, the step by step procedures, exploded views and factory specs let an owner or independent mechanic service these front mowers with confidence.
What's Inside This Kubota F2880–F3680 Package Manual
| System | Pages | Key Topics |
|---|---|---|
| Record of Revisions | 3 | Main Revised Point and Corrective Measures |
| Safety Instructions | 4-9 | Safety First, Before Servicing and Repairing, Safety Starting, Safety Working, Avoid Fires, Ventilate Work Area, Prevent Acid Burns, Dispose of Fluids Properly |
| Dimensions | 12 | Overall Length, Overall Width, Overall Height |
| General | 13-56 | Mower Identification, Lubricants, Tightening Torques, Metric Screws, Bolts and Nuts, American Standard Screws, Bolts and Nuts with Unc or Unf Threads, Plugs |
| Engine | 57-118 | Engine Body, Lubricating System, Cooling System, Fuel System (Governor), Troubleshooting, Servicing Specifications, Tightening Torques, Checking |
| Transmission | 119-174 | Structure, Power Train (Hydrostatic Transmission, Oil Flow, Operation, Charge Relief Valve, Check and High Pressure Relief Valve, Control Linkage) |
| Front Axle | 175-182 | Differential Gear Shaft, Ball Bearing, Front Axle Case, 57T Gear, Spiral Bevel Gear, Differential Gear Assembly, Differential Lock Clutch |
| Brakes | 183-196 | Features, Operation, Brake Pedal, Brake Assembly |
| Rear Axle | 197-215 | Preparation, Separating Rear Axle |
| Steering | 216-228 | Steering Controller, Preparation, Separating Power Steering Controller, Separating Steering Support, Steering Support, Steering Cylinder |
| Hydraulic System | 229-250 | Hydraulic Circuit, Hydraulic Pump, Flow Priority Valve, Relief Valve, Implement Control Valve, Feedback Linkage, Hydraulic Cylinder, Troubleshooting |
| Electrical System | 251-282 | Wiring Diagram, Starting System (Operator Presence Control System, Related Switches and Controller, Operation), Troubleshooting, Servicing Specifications, Tightening Torques |
| Mower | 283-313 | Power Transmission, Mower Identification, General Precaution, Lubricants, General Use Screws, Bolt and Nuts, Metric Screws, Bolts and Nuts |
| Editor | 314 | Kubota Farm & Industrial Machinery Service, Ltd., Kubota Corporation |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| F2880, F3680 | ||
| Fuel tank capacity | 61 L (16.1 U.S.gals, 13.4 Imp.gals) | p. 10 |
| F2880 | ||
| Engine crankcase capacity (F2880) | 3.8 L (4.0 U.S.qts., 3.3 Imp.qts) | p. 10 |
| Engine Oil Capacity | 3.8 L | p. 10 |
| F3680 | ||
| Engine Oil Capacity | 5.3 L | p. 10 |
| All Models | ||
| Transmission Fluid Capacity | 14.0 L | p. 10 |
| Engine Coolant Capacity | 4.6 L | p. 10 |
| Engine Valve Clearance (Cold) | 0.145 to 0.185 mm | p. 69 |
| Engine Cylinder Head Screw Torque | 63.7 to 68.6 N·m | p. 75 |
| Fan Belt Deflection | 7.0 to 9.0 mm | p. 73 |
| Fuel Injection Pressure | 13.73 to 14.71 MPa | p. 74 |
| Mower Blade Mounting Screw Torque | 98.1 to 117.7 N·m | p. 302 |
| Front Gauge Wheel Tire Pressure (Recommended) | 196 kPa | p. 301 |
Kubota F2880–F3680 Package Common Problems This Manual Covers
Hydrostatic drive weak or creeping
A machine that crawls, loses power on a slope or creeps in neutral usually has worn HST internals, a tired charge relief valve or aged fluid. The Transmission section covers the hydrostatic power train, its oil flow and the relief valves used to diagnose it.
Manual Section: Transmission p. 119Deck scalps or cuts unevenly
Streaking, scalping or a ragged finish traces to worn blades, a slack belt or a deck that is out of level. The Mower section covers the power transmission, blade torque and servicing so the deck runs level and true.
Manual Section: Mower p. 283Deck will not raise or drops
A deck that lifts slowly or bleeds down at rest points to the hydraulic pump, flow priority valve or implement control valve. The Hydraulic System section covers the circuit, the relief valve and the lift cylinder to find the pressure loss.
Manual Section: Hydraulic System p. 229Diesel hard to start or low power
Hard starting, smoke or lost power on the D1105 or V1505 engine ties back to the fuel, cooling and governor systems. The Engine section covers the engine body, fuel system and injection pressure with the servicing specs to correct it.
Manual Section: Engine p. 57No start or charging fault
A no crank, dead battery or a machine that will not turn over often involves the operator presence safety circuit as well as the starter and charging side. The Electrical System section covers the wiring diagram, starting system and related switches to isolate it.
Manual Section: Electrical System p. 251Heavy or loose steering
Slow response or excess play traces to the steering controller and its relief pressure rather than the wheel. The Steering section covers the steering controller with the relief valve setting pressure to test and adjust it.
Manual Section: Steering p. 216Frequently Asked Questions
Which mowers and decks does this manual cover?
It covers the Kubota F2880 and F3680 front mount mowers plus the RCK72P-F36, RCK72R-F36, RCK60P-F36 and RCK60R-F36 mower decks, all in one document.
Which engines are covered?
The manual services the D1105-E2-FM2 diesel used in the F2880 and the V1505-E2-FM3 diesel used in the F3680. The Engine section covers the engine body, lubricating, cooling and fuel systems with full specs. p. 57
Are wiring diagrams included?
Yes. The Electrical System section provides the wiring diagram, the starting system with its operator presence control, and the related switches and controller so you can trace an electrical fault.
How do I get the manual?
It is an instant digital download. The PDF is available immediately after checkout, with no shipping and nothing physical to store.
How quickly can I access this Kubota F2880 & variants manual after buying?
A 314-page Workshop Manual in searchable PDF format, ready the moment you complete checkout. View it on a computer, tablet, or phone, with no shipping wait.
Can I print this Kubota F2880 & variants manual?
Yes. The PDF carries no DRM restrictions, so you can print any page or section you need for the shop. It works with any standard printer.
Does this Kubota F2880 & variants manual include wiring diagrams?
Included. The Kubota F2880 & variants Workshop Manual covers full wiring harness diagrams, electrical circuits, and connector pinouts.
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