This document provides specifications for KUBOTA tractor models B1830, B2230, B2530, and B3030 including engine details, dimensions, weights, performance data, and more. The specifications cover both HST (hydrostatic transmission) and manual transmission models. Traveling speeds are listed for various tire sizes ranging from 8-16 to 315/75D-15 in forward and reverse gears from low to high.
6. 13
B1830, B2230, B2530, B3030, WSM TRAVELLING SPEEDS
TRAVELLING SPEEDS
[HST Model]
W1035065
The company reserves the right to change the specifications without notice.
W1033865
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 03, 2007 A
10. CONTENTS
GENERAL
1. TRACTOR IDENTIFICATION ......................................................................... G-1
2. GENERAL PRECAUTIONS ............................................................................ G-2
3. HANDLING PRECAUTIONS FOR ELECTRICAL PARTS AND WIRING.. G-3
[1] WIRING...................................................................................................... G-3
[2] BATTERY................................................................................................... G-5
[3] FUSE.......................................................................................................... G-5
[4] CONNECTOR............................................................................................ G-5
[5] HANDLING OF CIRCUIT TESTER......................................................... G-6
4. LUBRICANTS FUEL AND COOLANT .......................................................... G-7
5. TIGHTENING TORQUES ............................................................................... G-8
[1] GENERAL USE SCREWS, BOLTS AND NUTS................................... G-8
[2] STUD BOLTS............................................................................................ G-8
6. MAINTENANCE CHECK LIST....................................................................... G-9
7. CHECK AND MAINTENANCE..................................................................... G-11
[1] DAILY CHECK ........................................................................................ G-11
[2] CHECK POINTS OF INITIAL 50 HOURS........................................... G-13
[3] CHECK POINTS OF EVERY 50 HOURS........................................... G-17
[4] CHECK POINTS OF EVERY 100 HOURS......................................... G-19
[5] CHECK POINTS OF EVERY 200 HOURS......................................... G-26
[6] CHECK POINTS OF EVERY 300 HOURS......................................... G-29
[7] CHECK POINTS OF EVERY 400 HOURS......................................... G-31
[8] CHECK POINT OF EVERY 800 HOURS ........................................... G-32
[9] CHECK POINT OF EVERY 1500 HOURS ......................................... G-34
[10]CHECK POINT OF EVERY 1 YEAR................................................... G-35
[11]CHECK POINTS OF EVERY 2 YEARS.............................................. G-37
[12]OTHERS .................................................................................................. G-41
8. SPECIAL TOOLS.......................................................................................... G-47
[1] SPECIAL TOOLS FOR ENGINE .......................................................... G-47
[2] SPECIAL TOOLS FOR TRACTOR....................................................... G-53
[3] SPECIAL TOOLS FOR CABIN ............................................................. G-56
9. TIRES............................................................................................................. G-58
[1] TIRE PRESSURE ................................................................................... G-58
[2] TREAD..................................................................................................... G-59
(1) Front Wheels...................................................................................... G-60
(2) Rear Wheels ...................................................................................... G-61
[3] TIRE LIQUID INJECTION AND BALLAST........................................... G-63
10. IMPLEMENT LIMITATIONS.......................................................................... G-66
KiSC issued 03, 2007 A
11. G-1
B1830, B2230, B2530, B3030, WSM G GENERAL
1. TRACTOR IDENTIFICATION
When contacting your local KUBOTA distributor, always specify
engine serial number, tractor serial number and hour meter reading.
W1010590
(1) Tractor Identification Plate
(2) Tractor Serial Number
(3) Engine Serial Number
(4) CABIN Identification Plate
(CABIN Serial Number)
[A] ROPS
[B] CABIN
KiSC issued 03, 2007 A
12. G-2
B1830, B2230, B2530, B3030, WSM G GENERAL
2. GENERAL PRECAUTIONS
• During disassembly, carefully arrange removed parts in a clean
area to prevent confusion later. Screws, bolts and nuts should be
installed in their original position to prevent reassembly errors.
• When special tools are required, use KUBOTA genuine special
tools. Special tools which are not frequently used should be
made according to the drawings provided.
• Before disassembling or servicing electrical wires, always
disconnect the ground cable from the battery first.
• Remove oil and dirt from parts before measuring.
• Use only KUBOTA genuine parts for parts replacement to
maintain machine performance and to assure safety.
• Gaskets and O-rings must be replaced during reassembly.
Apply grease to new O-rings or oil seals before assembling.
See the figure left side.
• When reassembling external snap rings or internal snap rings,
they must be positioned so that sharp edge faces against the
direction from which a force is applied. See the figure left side.
• When inserting spring pins, their splits must face the direction
from which a force is applied. See the figure left side.
• To prevent damage to the hydraulic system, use only specified
fluid or equivalent.
W10109040
(1) Grease
(2) Force
(3) Sharp Edge
(4) Axial Force
(5) Rotating Movement
(A) External Snap Ring
(B) Internal Snap Ring
KiSC issued 03, 2007 A
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14. G-3
B1830, B2230, B2530, B3030, WSM G GENERAL
3. HANDLING PRECAUTIONS FOR ELECTRICAL PARTS
AND WIRING
To ensure safety and prevent damage to the machine and
surrounding equipment, heed the following precautions in handling
electrical parts and wiring.
IMPORTANT
■
• Check electrical wiring for damage and loosened
connection every year. To this end, educate the customer to
do his or her own check and at the same time recommend
the dealer to perform periodic check for a fee.
• Do not attempt to modify or remodel any electrical parts and
wiring.
• When removing the battery cables, disconnect the negative
cable first. When installing the battery cables, connect the
positive cable first.
W10111140
[1] WIRING
• Securely tighten wiring terminals.
W10112160
• Do not let wiring contact dangerous part.
W10113130
• Securely insert grommet.
W10113880
(1) Negative Terminal (2) Positive Terminal
(1) Correct
(Securely Tighten)
(2) Incorrect
(Loosening Leads to Faulty Contact)
(1) Dangerous Part
(2) Wiring (Incorrect)
(3) Wiring (Correct)
(4) Dangerous Part
(1) Grommet (A) Correct
(B) Incorrect
KiSC issued 03, 2007 A
15. G-4
B1830, B2230, B2530, B3030, WSM G GENERAL
• Securely clamp, being careful not to damage wiring.
W10114580
• Clamp wiring so that there is no twist, unnecessary sag, or
excessive tension, except for movable part, where sag be
required.
W10115870
• In installing a part, take care not to get wiring caught by it.
W10116700
• After installing wiring, check protection of terminals and clamped
condition of wiring, only connect battery.
W10117350
(1) Clamp
• Wind Clamp Spirally
(2) Wire Harness
(3) Clamp
(4) Welding Dent
(1) Wiring
(2) Clamp
(A) Correct
(B) Incorrect
(1) Wiring (A) Incorrect
(1) Cover
• Securely Install Cover
KiSC issued 03, 2007 A