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 Kubota B2650, B3350, B3350SU 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. 72 |
| 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 | 4.0 L (4.2 U.S.qts.) | p. 21 |
| B3350HSD/B3350SUHSD | ||
| Engine crankcase (with filter) capacity | 4.8 L (5.1 U.S.qts.) | p. 21 |
Kubota B2650, B3350, B3350SU Common Problems This Manual Covers
Regen warning or limp mode
A regeneration warning or limp mode with reduced power points to a DPF regeneration or exhaust aftertreatment issue. The Operating the Engine section explains the regeneration process, warning levels, and the parked regeneration procedure.
Manual Section: Operating the Engine p. 30HST will not move
A hydrostatic transmission that will not move or engages intermittently often has a seat, brake, or neutral safety interlock fault. The Troubleshooting section lists power train problems and displayed error codes.
Manual Section: Troubleshooting p. 108Overheats under heavy load
Running hot during mowing or heavy work usually traces to clogged radiator and grille screens or debris blocking airflow. The Maintenance section covers cooling service and the coolant change interval.
Manual Section: Maintenance p. 77Weak loader or 3-point lift
Weak loader or three-point performance often means low or contaminated hydraulic fluid or a restriction in the system. The Hydraulic Unit section covers the three-point control and auxiliary hydraulics.
Manual Section: Hydraulic Unit p. 68Hard starting in dust or snow
Hard starting or stalling in dusty or snowy conditions is often a restricted or iced air intake or a dirty air cleaner element. The Periodic Service section covers air cleaner and intake checks.
Manual Section: Periodic Service p. 83PTO will not engage
A PTO that will not engage can involve the PTO clutch lever, select lever position, or a safety condition shown on the LCD monitor. The PTO section covers PTO operation and the clutch lever.
Manual Section: PTO p. 60Frequently Asked Questions
Which models does this manual cover?
It covers the Kubota B2650, B3350, and B3350SU tractors in one 112-page operator's manual, Kubota publication 6C410-6311-8.
Does it explain DPF regeneration?
Yes. The Operating the Engine section explains the diesel particulate filter, the auto and parked regeneration modes, the PM warning levels, and the regeneration operating procedure. p. 30
Is there a troubleshooting section?
Yes. The Troubleshooting section covers engine and power train trouble, cause and countermeasure charts, and displayed error codes with the operator's action. p. 108
Does it list maintenance intervals?
Yes. The Maintenance section lists service intervals such as engine oil every 200 hours and hydraulic oil filter every 400 hours, with fluid capacities. p. 77
Will this Kubota B2650 Operator Manual download right away?
A 112-page Operator Manual in searchable PDF format, available the moment you complete checkout. View it on computer, tablet, or phone, with no shipping wait.
Am I free to print this Kubota B2650 Operator Manual?
Yes. The PDF carries no DRM restrictions, so print any page or section you need for your shop. It works with any standard printer.
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