This is the Kubota B2650, B3350, and B3350SU Operator's Manual, publication 6C410-6311-8. Across 112 pages it covers all three tractors and their D1305-E4-D26-R and turbocharged V1505-T-E4-D26 diesel engines, including the diesel particulate filter and its regeneration.
As an operator manual it explains the controls and instrument panel, starting and operating the tractor, PTO and 3-point hitch use, the hydraulic unit, tire and ballast setup, and the full maintenance and periodic service schedule with fluid capacities and service intervals. A troubleshooting section covers engine, power train, and displayed error codes.
It is written for the owner running and maintaining the machine, so it helps you handle a regen warning, an HST that will not move, or a hot-running engine, and stay on top of service. It does not include full engine or transmission teardown procedures.
What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Safe Operation | Before Operating the Tractor, Cab, ROPS, Operating the Tractor (Starting, Working, Safety for Children), Operating on Slopes, Driving the Tractor on the Road, Parking the Tractor | |
| Servicing of Tractor | Type Serial No., Warranty, Scrapping the Tractor and Its Procedure, ROPS Identification, Diesel Particulate Filter Serial Number | |
| Specifications | Specification Table, Hydraulic Unit, Traveling Speeds | |
| Implement Limitations | Tread with Farm Tires, Actual Figures, Implement | |
| Instrument Panel and Controls | Instrument Panel, Switches and Hand Controls, Illustrated Contents, Foot and Hand Controls | |
| Pre-Operation Check | Daily Check, Check Item | |
| Operating the Engine | Exhaust Aftertreatment Devices (Diesel Oxidation Catalyst and Diesel Particulate Filter Muffler) | |
| Operating the Tractor | Operating New Tractor (Do Not Operate the Tractor at Full Speed for the First 50 Hours, Changing Lubricating Oil for New Tractors), Boarding and Leaving the Tractor | |
| PTO | PTO Operation (PTO Select Lever, Mid-Rear PTO, Rear PTO, Mid-Pto), PTO Clutch Lever, Lcd Monitor Message, Stationary PTO | |
| Point Hitch & Drawbar | 3-Point Hitch (Selecting the Holes of Lifting Rods and Lower Links, Selecting the Top Link Mounting Holes, Lifting Rod, Top Link), Drawbar, Telescopic Stabilizers, Check Chains | |
| Hydraulic Unit | 3-Point Hitch Control System (Position Control, Hydraulic Control), 3-Point Hitch Lowering Speed, Auxiliary Hydraulics (Hydraulic Block Type Outlet) | |
| Tires, Wheels and Ballast | Tires (Inflation Pressure, Dual Tires), Wheel Adjustment (Front Wheels), Rear Wheels, Treads, Ballast (Front Ballast, Rear Ballast) | |
| Maintenance | Service Intervals (Engine Oil, Engine Oil Filter, Transmission Oil Filters [HST], Hydraulic Oil Filter, Transmission Fluid, Front Axle Case Oil, Front Axle Pivot, Engine Start System, Greasing, Wheel Bolt Torque, Battery Condition, Air Cleaner Element [Double Element Type] Primary Element, Air Cleaner Element [Double Element Type] Secondary Element, Fuel Filter Element, Fan Belt, Brake) | |
| Periodic Service | Waste Disposal, How to Open the Hood, Close the Hood, Engine Side Cover, Daily Check, Walk Around Inspection, Checking and Refueling, Checking Engine Oil Level | |
| Storage | Tractor Storage, Removing the Tractor From Storage | |
| Troubleshooting | Engine Troubleshooting, Trouble Cause Countermeasure, Power Train Trouble Shooting, Displayed Error Code Trouble Operator's Action | |
| Options | Rear Work Light, Front End Weights, Mounting Kit, Engine Block Heater, Rear Remote Hydraulics, Spacer Kit | |
| Appendices | Index, Pm Warning Level and Required Procedures, Position Control |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Wheel Bolt Torque | 196 to 225 N-m (20 to 23 kgf-m, 145 to 166 ft-lbs.) | p. 90 |
| Air Cleaner Primary Element Replacement Interval | Every 1000 hours or once yearly, whichever comes first | p. 74 |
| Coolant Boiling Point (50% Anti-freeze) | 108 °C (226 °F) | p. 101 |
| Fuel tank capacity | 27 L (7.1 U.S.gals.) | p. 21 |
| Engine coolant capacity | 4.3 L (4.5 U.S.qts.) | p. 21 |
| Transmission case capacity | 15 L (4.0 U.S.gals.) | p. 21 |
| Max. lift force (at lift points) | 970 kg (2139 lbs.) | p. 22 |
| Rear-PTO speed | 540 rpm | p. 22 |
| Engine oil change interval | Every 200 Hr | p. 77 |
| B3350 only | ||
| Differential Pressure Sensor Hose Replacement | Consult your local KUBOTA Dealer for this service. | p. 86 |
| B2650HSD | ||
| Engine crankcase (with filter) capacity, B2650HSD | 4.0 L (4.2 U.S.qts.) | p. 21 |
| B3350HSD/B3350SUHSD | ||
| Engine crankcase (with filter) capacity, B3350HSD/B3350SUHSD | 4.8 L (5.1 U.S.qts.) | p. 21 |
