Kubota B3030 Workshop Manual

B1830,B2230,B2530,B3030

WORKSHOP MANUAL

TRACTOR

KiSC issued 05, 2012 A

TO THE READER

This Workshop Manual tells the servicing personnel about the mechanism, servicing and

maintenance of the B1830, B2230, B2530 and B3030. It contains 4 parts: "Information", "General",

"Mechanism" and "Servicing".

 Information

This section primarily contains information below.

• Safety First

• Safety Decal

• Specification

• Dimension

 General

This section primarily contains information below.

• Engine Identification

• Model Identification

• General Precautions

• Maintenance Check List

• Check and Maintenance

• Special Tools

 Mechanism

This section contains information on the structure and the function of the unit. Before you continue

with the subsequent sections, make sure that you read this section.

Refer to the latest version of Workshop Manual (Code No. 9Y021-01870 / 9Y021-18200) for the

diesel engine / tractor mechanism that this workshop manual does not include.

 Servicing

This section primarily contains information below.

• Troubleshooting

• Servicing Specifications

• Tightening Torques

• Checking, Disassembling and Servicing

All illustrations, photographs and specifications contained in this manual are of the newest

information available at the time of publication.

KUBOTA reserves the right to change all information at any time without notice.

Since this manual includes many models, information or illustrations and photographs can show

more than one model.

January, 2007

KiSC issued 05, 2012 A

I INFORMATION

KiSC issued 05, 2012 A

CONTENTS

1. SAFETY FIRST .............................................................................................................................. I-1

2. SAFETY DECALS .......................................................................................................................... I-4

[1] WITHOUT OPC ........................................................................................................................ I-4

[2] WITH OPC.............................................................................................................................. I-10

3. SPECIFICATIONS........................................................................................................................ I-13

4. TRAVELING SPEEDS.................................................................................................................. I-16

5. DIMENSIONS ............................................................................................................................... I-18

INFORMATION

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-1

1. SAFETY FIRST

WSM000001INI0001US1

BEFORE YOU START SERVICE

• Read all instructions and safety instructions in this

manual and on your machine safety decals.

• Clean the work area and machine.

• Park the machine on a stable and level ground, and

set the parking brake.

• Lower the implement to the ground.

• Stop the engine, then remove the key.

• Disconnect the battery negative cable.

• Hang a "DO NOT OPERATE" tag in the operator

station.

WSM000001INI0010US1

START SAFELY

• Do not do the procedures below when you start the

engine.

– short across starter terminals

– bypass the safety start switch

• Do not alter or remove any part of machine safety

system.

• Before you start the engine, make sure that all shift

levers are in neutral positions or in disengaged

positions.

• Do not start the engine when you stay on the ground.

Start the engine only from operator's seat.

WSM000001INI0015US0

SAFETY FIRST

• This symbol, the industry's "Safety Alert Symbol", is used throughout this manual and on labels on the

machine itself to warn of the possibility of personal injury. Read these instructions carefully.

• It is essential that you read the instructions and safety regulations before you attempt to repair or use

this unit.

DANGER

• Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING

• Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION

• Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate

injury.

IMPORTANT

• Indicates that equipment or property damage could result if instructions are not followed.

NOTE

• Gives helpful information.

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-2

OPERATE SAFELY

• Do not use the machine after you consume alcohol

or medication or when you are tired.

• Put on applicable clothing and safety equipment.

• Use applicable tools only. Do not use alternative

tools or parts.

• When 2 or more persons do servicing, make sure

that you do it safely.

• Do not operate below the machine that only a jack

holds. Always use a safety stand to hold the

machine.

• Do not touch the hot parts or parts that turn when the

engine operates.

• Do not remove the radiator cap when the engine

operates, or immediately after it stops. If not, hot

water can spout out from the radiator. Only remove

the radiator cap when it is at a sufficiently low

temperature to touch with bare hands. Slowly loosen

the cap to release the pressure before you remove it

fully.

• Released fluid (fuel or hydraulic oil) under pressure

can cause damage to the skin and cause serious

injury. Release the pressure before you disconnect

hydraulic or fuel lines. Tighten all connections before

you apply the pressure.

• Do not open a fuel system under high pressure.

The fluid under high pressure that stays in fuel lines

can cause serious injury. Do not disconnect or repair

the fuel lines, sensors, or any other components

between the fuel pump and injectors on engines with

a common rail fuel system under high pressure.

• Put on an applicable ear protective device (earmuffs

or earplugs) to prevent injury against loud noises.

• Be careful about electric shock. The engine

generates a high voltage of more than DC100 V in

the ECU and is applied to the injector.

WSM000001INI0012US1

PREVENT A FIRE

• Fuel is very flammable and explosive under some

conditions. Do not smoke or let flames or sparks in

your work area.

• To prevent sparks from an accidental short circuit,

always disconnect the battery negative cable first

and connect it last.

• The battery gas can cause an explosion. Keep the

sparks and open flame away from the top of battery,

especially when you charge the battery.

• Make sure that you do not spill fuel on the engine.

WSM000001INI0005US1

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-3

KEEP A GOOD AIRFLOW IN THE WORK AREA

• If the engine is in operation, make sure that the area

has good airflow. Do not operate the engine in a

closed area. The exhaust gas contains poisonous

carbon monoxide.

WSM000001INI0006US1

DISCARD FLUIDS CORRECTLY

• Do not discard fluids on the ground, down the drain,

into a stream, pond, or lake. Obey related

environmental protection regulations when you

discard oil, fuel, coolant, electrolyte and other

dangerous waste.

WSM000001INI0007US1

PREVENT ACID BURNS

• Keep electrolyte away from your eyes, hands and

clothing. Sulfuric acid in battery electrolyte is

poisonous and it can burn your skin and clothing and

cause blindness. If you spill electrolyte on yourself,

clean yourself with water, and get medical aid

immediately.

WSM000001INI0008US1

PREPARE FOR EMERGENCIES

• Keep a first aid kit and fire extinguisher ready at all

times.

• Keep the emergency contact telephone numbers

near your telephone at all times.

WSM000001INI0009US1

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-4

2. SAFETY DECALS

[1] WITHOUT OPC

The following safety decals (pictorial safety labels) are installed on the machine. If a decal becomes

damaged, illegible or is not on the machine, replace it. The decal part number is listed in the parts list.

WSM000001INI0014US0

ROPS and CABIN

9Y1210003INI0001US0

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-5

9Y1210003INI0002US0

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-6

9Y1210003INI0003US0

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-7

9Y1210003INI0004US0

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-8

CABIN

Careful operation is your best insurance against an accident.

Read and understand carefully this section of the separately issued operator's manual before operating the

tractor.

9Y1210003INI0005US0

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-9

9Y1210003INI0006US0

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-10

[2] WITH OPC

The following safety decals (pictorial safety labels) are installed on the machine. If a decal becomes

damaged, illegible or is not on the machine, replace it. The decal part number is listed in the parts list.

WSM000001INI0014US0

9Y1210003INI0007US0

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-11

9Y1210003INI0008US0

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-12

9Y1210003INI0009US0

CARE OF PICTORIAL SAFETY LABELS

1. Keep pictorial safety labels clean and free from obstructing material.

2. Clean pictorial safety labels with soap and water, dry with a soft cloth.

3. Replace damaged or missing pictorial safety labels with new labels.

4. If a component with pictorial safety label(s) affixed is replaced with new part, make sure new label(s) is (are)

attached in the same location(s) as the replace component.

5. Mount new pictorial safety labels by applying on a clean dry surface and pressing any bubbles to outside edge.

9Y1210003INI0010US0

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-13

3. SPECIFICATIONS

[HST Model]

Model B2230 B2530 B3030

PTO power 12.5 kW (17.0 PS)* 14.0 kW (19.0 PS)* 16.9 kW (23.0 PS)*

Engine

Maker KUBOTA

Model D1005-E2-D21-EU D1105-E2-D21-EU V1505-E2-D21-EU

Type E-TVCS, water-cooled, 4-cycle diesel

Number of cylinders 3 4

Bore and stroke 76 × 73.6 mm (3.0 × 2.9 in.) 78 × 78.4 mm (3.1 × 3.1 in.) 78 × 78.4 mm (3.1 × 3.1 in.)

Total displacement 1001 cm

3

(61.1 cu.in.) 1123 cm

3

(68.5 cu.in.) 1498 cm

3

(91.4 cu.in.)

Engine gross power 16.2 kW (22.0 PS)* 18.4 kW (25.0 PS)* 22.1 kW (30.0 PS)*

Rated revolution 2700 min

-1

(rpm) 2600 min

-1

(rpm)

Maximum torque

62 N·m

(6.3 kgf·m, 13.9 lbf·ft)

72 N·m

(7.3 kgf·m, 16.2 lbf·ft)

92 N·m

(9.4 kgf·m, 20.7 lbf·ft)

Battery 12 V, RC: 75 min, CCA: 430 A

Starting system Electric starting with cell starter 12 V, 1.4 kW

Lubricating system Forced lubrication by trochoidal pump

Cooling system Pressurized radiator, forced circulation with water pump

Fuel Diesel fuel No. 2-D [above −10 °C (14 °F)], Diesel fuel No. 1 [below −10 °C (14 °F)]

Capacities

Fuel tank 28 L (7.4 U.S.gals, 6.2 Imp.gals)

31 L

(8.1 U.S.gals, 6.8 Imp.gals)

Engine crankcase (with filter) 3.0 L (3.2 U.S.qts, 2.6 Imp.qts)

4.1 L

(4.3 U.S.qts, 3.6 Imp.qts)

Engine coolant 5.2 L (5.5 U.S.qts, 4.6 Imp.qts)

Transmission case 17 L (4.5 U.S.gals, 3.7 Imp.gals)

Front axle case 3.7 L (3.9 U.S.qts, 3.3 Imp.qts)

4.7 L

(5.0 U.S.qts, 4.1 Imp.qts)

Tire

Farm Turf Farm Turf

Front 6-12B 6-12 6.00-2 7.00-12

22 ×

8.50-12

24 ×

8.5-12

7-12 24 × 8.5-12

Rear 8-16 9.5-16 9.5-18 10.5-18

31 ×

13.5-15

315/75D

-15

12.4-16 13.6-16

Dimensions

Overall length

(with 3P)

ROPS 2735 mm (107.7 in.) 2900 mm (114.2 in.)

CABIN 2835 mm (111.6 in.) 3010 mm (118.6 in.)

Overall width (min. tread) 1105 mm (43.5 in.) 1095 mm (43.1 in.) 1365 mm (53.7 in.)

Overall height

ROPS 2260 mm (89.0 in.) 2290 mm (90.2 in.) 2320 mm (91.3 in.)

CABIN 2060 mm (81.1 in.) 2090 mm (82.3 in.) 2125 mm (83.7 in.)

Wheel base 1500 mm (59.1 in.) 1666 mm (65.6 in.)

Minimum ground clearance 240 mm (9.5 in.) 270 mm (10.6 in.) 315 mm (12.4 in.)

Tread

Front 835 mm (32.9 in.) 935 mm (36.8 in.)

Rear

855 to 1075 mm

(33.7 to 42.3 in.)

850 to 1095 mm

(33.5 to 43.1 in.)

1050 mm (41.3 in.)

Weight

ROPS 745 kg (1643 lbs) 750 kg (1654 lbs) 840 kg (1852 lbs)

CABIN 955 kg (2106 lbs) 960 kg (2117 lbs) 1035 kg (2282 lbs)

Travelling

system

Clutch N/A

Steering Hydrostatic power steering

Transmission Main-hydrostatic transmission, 3 range gear shift (3 forward and 3 reverse)

Brake Wet disk type

Min. turning radius

(with brake)

2.1 m (6.9 feet)

Differential Bevel gear

Hydraulic

system

Hydraulic control system Position control

Pump capacity

3P: 20.5 L/min (5.4 gals/min)

Power steering: 15.4 L/min (1.4 gals/min)

3P: 19.7 L/min

(5.2 gals/min)

Power steering:

14.8 L/min (3.9 gals/min)

Three point hitch SAE Category 1

Max. lift force

At lift points 970 kg (2139 lbs)

24 in. behind

lift points

760 kg (1676 lbs)

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-14

NOTE

• * Manufacture's estimate

The company reserves the right to change the specifications without notice.

PTO system

Rear

PTO shaft SAE 1-3/8, 6 splines

Revolution 1 speed (540 min

-1

(rpm) at 2592 engine min

-1

(rpm))

Mid

PTO shaft U.S.A. No.5 (KUBOTA 10-tooth) involute spline

Revolution 1 speed (2500 min

-1

(rpm) at 2600 engine min

-1

(rpm))

Model B2230 B2530 B3030

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-15

[Manual Transmission Model]

NOTE

• * Manufacture's estimate

The company reserves the right to change the specifications without notice.

9Y1210003INI0011US0

Model B1830 B2230 B2530

PTO power 11.0 kW (15.0 PS)* 13.2 kW (18.0 PS)* 14.7 kW (20.0 PS)*

Engine

Maker KUBOTA

Model D905-E2-D21-EU D1005-E2-D21-EU D1105-E2-D21-EU

Type E-TVCS, water-cooled, 4-cycle diesel

Number of cylinders 3

Bore and stroke 72 × 78.4 mm (2.8 × 3.1 in.) 76 × 73.6 mm (3.0 × 2.9 in.) 78 × 78.4 mm (3.1 × 3.1 in.)

Total displacement 898 cm

3

(54.8 cu.in.) 1001 cm

3

(61.1 cu.in.) 1123 cm

3

(68.5 cu.in.)

Engine gross power 13.2 kW (18.0 PS)* 16.2 kW (22.0 PS)* 18.4 kW (25.0 PS)*

Rated revolution 2700 min

-1

(rpm)

Maximum torque

54 N·m

(5.5 kgf·m, 12.1 lbf·ft)

62 N·m

(6.3 kgf·m, 13.9 lbf·ft)

72 N·m

(7.3 kgf·m, 16.2 lbf·ft)

Battery 12 V, RC: 75 min, CCA: 430 A

Starting system Electric starting with cell starter 12 V, 1.4 kW

Lubricating system Forced lubrication by trochoidal pump

Cooling system Pressurized radiator, forced circulation with water pump

Fuel Diesel fuel No. 2-D [above −10 °C (14 °F)], Diesel fuel No. 1 [below −10 °C (14 °F)]

Capacities

Fuel tank 28 L (7.4 U.S.gals, 6.2 Imp.gals)

Engine crankcase (with filter) 3.0 L (3.2 U.S.qts, 2.6 Imp.qts)

Engine

coolant

ROPS 4.5 L (4.7 U.S.qts, 4.0 Imp.qts)

CABIN – 5.2 L (5.5 U.S.qts, 4.6 Imp.qts)

Transmission case

Bi-Speed: 16.5 L (4.4 U.S.gals, 3.6 Imp.gals),

No Bi-Speed: 15 L (4.0 U.S.gals, 3.3 Imp.gals)

Front axle case 3.7 L (3.9 U.S.qts, 3.3 Imp.qts)

Tire

Farm Turf

Front 6-12B 6-12 6.00-12 7.00-12 22 × 8.50-12 24 × 8.5-12

Rear 8-16 9.5-16 9.5-18 10.5-18 31 × 13.5-15 315/75D-15

Dimensions

Overall length

(with 3P)

ROPS 2735 mm (107.7 in.)

CABIN – 2835 mm (111.6 in.)

Overall width (min-tread) 1025 mm (40.4 in.) 1105 mm (43.5 in.) 1095 mm (43.1 in.)

Overall height

ROPS 2240 mm (88.2 in.) 2260 mm (89.0 in.) 2290 mm (90.2 in.)

CABIN – 2060 mm (81.1 in.) 2090 mm (82.3 in.)

Wheel base 1500 mm (59.1 in.)

Minimum ground clearance 220 mm (8.7 in.) 240 mm (9.5 in.) 270 mm (10.6 in.)

Tread

Front 835 mm (32.9 in.)

Rear

800 to 970 mm

(31.5 to 38.2 in.)

855 to 1075 mm

(33.7 to 42.3 in.)

850 to 1095 mm

(33.5 to 43.1 in.)

Weight

ROPS 705 kg (1555 lbs) 720 kg (1588 lbs) 725 kg (1599 lbs)

CABIN – 930 kg (2051 lbs) 935 kg (2062 lbs)

Travelling

system

Clutch Dry single plate

Steering Hydrostatic power steering

Transmission Gear shift (9 forward and 9 reverse)

Brake Wet disk type

Min. turning radius

(with brake)

2.1 m (6.9 feet)

Differential Bevel gear

Hydraulic

system

Hydraulic control system Position control

Pump capacity 3P: 20.5 L/min (5.4 gals/min) / Power steering: 15.4 L/min (4.1 gals/min)

Three point hitch SAE Category 1

Max. lift force

At lift points 970 kg (2139 lbs)

24 in. behind

lift points

760 kg (1676 lbs)

PTO system

Rear

PTO shaft SAE 1-3/8, 6 splines

Revolution 1 speed (540 min

-1

(rpm) at 2592 engine min

-1

(rpm))

Mid

PTO shaft U.S.A. No.5 (KUBOTA 10-tooth) involute spline

Revolution 1 speed (2500 min

-1

(rpm) at 2600 engine min

-1

(rpm))

KiSC issued 05, 2012 A

INFORMATION

B1830,B2230,B2530,B3030, WSM

I-16

4. TRAVELING SPEEDS

[HST Model]

The company reserves the right to change the specifications without notice.

Model B2230 / B2530

Tire size (Rear)

8-16

Farm

9.5-16

Farm

9.5-18

Farm

10.5-18

Farm

31 × 13.5-15

Turf

315 /75D -15

Turf

Range gear shift

lever

km/h

(mile/h)

Forward

Low

0 to 3.95

(0 to 2.5)

0 to 4.18

(0 to 2.6)

0 to 4.49

(0 to 2.8)

0 to 4.69

(0 to 2.9)

0 to 3.87

(0 to 2.4)

0 to 4.22

(0 to 2.6)

Middle

0 to 7.35

(0 to 4.6)

0 to 7.77

(0 to 4.8)

0 to 8.34

(0 to 5.2)

0 to 8.73

(0 to 5.4)

0 to 7.19

(0 to 4.5)

0 to 7.85

(0 to 4.9)

High

0 to 19.05

(0 to 11.8)

0 to 20.14

(0 to 12.5)

0 to 21.63

(0 to 13.4)

0 to 22.63

(0 to 14.1)

0 to 18.65

(0 to 11.6)

0 to 20.34

(0 to 12.6)

Max. Speed

(at 2850 engine

rpm)

20.10

(12.5)

21.26

(13.2)

22.83

(14.2)

23.88

(14.8)

19.69

(12.2)

21.47

(13.3)

Reverse

Low

0 to 3.16

(0 to 2.0)

0 to 3.34

(0 to 2.1)

0 to 3.59

(0 to 2.2)

0 to 3.75

(0 to 2.3)

0 to 3.09

(0 to 1.9)

0 to 3.37

(0 to 2.1)

Middle

0 to 5.88

(0 to 3.7)

0 to 6.21

(0 to 3.9)

0 to 6.68

(0 to 4.2)

0 to 6.98

(0 to 4.3)

0 to 5.75

(0 to 3.6)

0 to 6.28

(0 to 3.9)

High

0 to

15.

24

(0 to 9.5)

0 to 16.11

(0 to 10.0)

0 to 17.31

(0 to 10.8)

0 to 18.10

(0 to 11.2)

0 to 14.92

(0 to 9.3)

0 to 16.27

(0 to 10.1)

Max. Speed

(at 2850 engine

rpm)

16.08

(10.0)

17.01

(10.6)

18.27

(11.4)

19.11

(11.9)

15.75

(9.8)

17.18

(10.7)

Model B3030

Tire size (Rear) 12.4-16 Farm 13.6-16 Turf

Range gear shift lever km/h (mile/h)

Forward

Low 0 to 4.59 (0 to 2.9) 0 to 4.73 (0 to 2.9)

Middle 0 to 8.54 (0 to 5.3) 0 to 8.79 (0 to 5.5)

High 0 to 22.15 (0 to 13.8) 0 to 22.80 (0 to 14.2)

Max. Speed

(at 2750 engine rpm)

23.43 (14.6) 24.11 (15.0)

Reverse

Low 0 to 3.67 (0 to 2.3) 0 to 3.78 (0 to 2.3)

Middle 0 to 6.83 (0 to 4.2) 0 to 7.03 (0 to 4.4)

High 0 to 17.72 (0 to 11.0) 0 to 18.24 (0 to 11.3)

Max. Speed

(at 2750 engine rpm)

18.74 (11.6) 19.29 (12.0)

KiSC issued 05, 2012 A

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