This is the operator manual for the Kubota B2320, B2620, and B2920 compact tractors, including the B2320NARROW, B2320DTN-1, B2320DT, B2320HSDN, B2320HSD, B2620HSD, and B2920HSD variants. It runs 88 pages and covers the D1005, D1105, and D1305 three-cylinder diesel engines used across the range.
Inside you get the daily operating procedures, control layout, engine starting and stopping steps, PTO and 3-point hitch use, hydraulic settings, and the periodic service schedule. The specification tables list fuel and coolant capacities, engine ratings, and adjustment figures such as fan belt tension and clutch pedal free travel.
If you own or service one of these B-series tractors, this manual gives you the factory reference for correct operation, routine maintenance intervals, and basic troubleshooting, delivered as a searchable PDF you can keep on any device.
Complete the set for your B2320–B2920 Series
- Repair Manual: Kubota B2320HSD, B2920HSD Workshop Manual (incl. Wiring)
What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Universal Symbols | Safety Alert Symbol, Diesel Fuel, Fuel-Level, Engine-Rotation Speed, Hourmeter/Elapsed Operating Hours, Engine Coolant-Temperature, Parking Brake, Battery Charging Condition | |
| Safe Operation | Before Operating the Tractor, Operating the Tractor (Starting, Working, Safety for Children), Parking the Tractor, Operating the PTO, Using 3-Point Hitch, Servicing the Tractor | |
| Servicing of Tractor | Tractor Identification Plate, Tractor Serial Number, Engine Serial Number, ROPS Identification Plate, ROPS Serial No. | |
| Specifications | Specification Table, Traveling Speeds | |
| Implement Limitations | Tread with Farm Tires, Lower Link End Max. Loading Weight, Actual Figures (Implement Weight W1 and / or Size, Max. Drawbar Load W2, Trailer Loading Weight W3, Max. Capacity) | |
| Instrument Panel and Controls | Instrument Panel, Switches and Hand Controls, Foot and Hand Controls [HST Type], Foot and Hand Controls [Manual Transmission Type], Pedal Location Label | |
| Pre-Operation Check | Daily Check | |
| Operating the Engine | Starting the Engine, Block Heater, Stopping the Engine, Warming Up, Warm-Up Transmission Oil at Low Ambient Temperatures, Jump Starting | |
| Operating the Tractor | Operating New Tractor, Operating Foldable ROPS, Starting, Stopping, Check During Driving, Parking, Operating Techniques | |
| PTO | PTO Operation, PTO Gear Shift Lever, Rear PTO Speed, Mid PTO [Except B2320DTN], PTO Shaft Cover and Shaft Cap, Stationary PTO | |
| Three-Point Hitch & Drawbar | 3-Point Hitch, Selecting the Holes of Lifting Rods and Lower Links, Selecting the Top Link Mounting Holes, Drawbar, Lifting Rod, Top Link, Check Chains, Drawbar Length | |
| Hydraulic Unit | 3-Point Hitch Control System, Hydraulic Control, Position Control, Implement Lowering Limit, 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, Ballast, Front Ballast | |
| Maintenance | Service Intervals, Lubricants, Fuel and Coolant | |
| Periodic Service | How to Open the Hood, Hood, Front Grille, 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, If Something Is Wrong with the Engine, Refer to the Table Below for the Cause an, If You Have Any Questions, Consult Your Local Kubota Dealer. | |
| Options | Rear Work Light, Front End Weights, Mounting Kit, Engine Block Heater |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Front wheel lug nut torque (1) | 79 to 92 N-m (8.1 to 9.4 kgf-m, 58.3 to 67.9 ft-lbs) | p. 56 |
| Front wheel lug nut torque (2) | 145 to 150 N-m (14.8 to 15.3 kgf-m, 107.0 to 110.6 ft-lbs) | p. 56 |
| Battery Voltage | 12 V | p. 18 |
| Battery RC | 80 min | p. 18 |
| Fan belt tension (deflection) | 7 to 9 mm (0.28 to 0.35 in.) | p. 75 |
| Fan belt replacement interval | every 2 years | p. 62 |
| Primary air cleaner element replacement interval | Once yearly or after every sixth cleaning, whichever comes first | p. 58 |
| Primary air cleaner element replacement interval (service intervals table) | every 1 year | p. 62 |
| Proper brake pedal free travel | 30 to 40 mm (1-3/16 to 1-19/32 in.) | p. 60 |
| Number of cylinders | 3 | p. 18 |
| Rated engine revolution | 2800 rpm | p. 18 |
| Fuel tank capacity | 26 L (6.9 U.S.gals.) | p. 18 |








