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Kubota LA403 Front End Loader

The Kubota LA403 front end loader is designed to fit Kubota B2630, B3030 tractors. The loader hydraulic system includes double-acting lifting and bucket hydraulic cylinders.

The loader has a maximum lift height of 84.6" (2140 mm) at pin and clearance with bucket dumped of 67" (1700 mm). The lift capacity is rated at 1090 lbs (495 kg) to maximum height, and breakout force (bucket on ground) is 2315 lbs (1050 kg). The raising cycle time is 3.1 sec from ground level to full height, and bucket dump time is 1.6 sec.

The Kubota LA403 can be equipped with 54" and 60" buckets. The 54" (1370 mm) standard material bucket has a heaped capacity of 8.1 cu.ft (0.23 m3). The 60" (1525 mm) heavy-duty material bucket has a heaped capacity of 10.6 cu.ft (0.30 m3).

Compatible Tractors
Tractor Models Kubota B2630, B3030
Front Tires 7.00x12
Rear Tires 12.4x16
Hydraulic System Flow, gpm (lpm) 5.2 (19.7)
Hydraulic Pressure, bar (psi) 140 (2000)

Standard Material Bucket
Width, in (mm) 54 (1370)
Length, in (mm) 20.9 (530)
Height, in (mm) 20.7 (525)
Capacity (Struck), cu.ft (m3) 6.7 (0.19)
Capacity (Heaped), cu.ft (m3) 8.1 (0.23)
Weight, lbs (kg) 175 (79)

Heavy-Duty Material Bucket
Width, in (mm) 60 (1525)
Depth, in (mm) 20.7 (525)
Height, in (mm) 23.8 (605)
Length, in (mm) 24.4 (620)
Capacity (Struck), cu.ft (m3) 8.5 (0.24)
Capacity (Heaped), cu.ft (m3) 10.6 (0.30)
Weight, lbs (kg) 308 (139)


Loader Dimensions
Maximum Lift Height to Pivot Pin, in (mm) 84.6 (2140)
Clearance with Bucket Dumped, in (mm) 67 (1700)
Reach at Maximum Lift Height (ROPS), in (mm) 24.6 (620)
Reach at Maximum Lift Height (CAB), in (mm) 20.2 (510)
Maximum Dump Angle, degrees 40
Digging Depth, in (mm) 5.3 (135)
Maximum Rollback Angle, degrees 30

Operating Data
Lift Capacity to Max. Height at Pivot Point, lbs (kg) 1090 (495)
Lift Capacity to Max. Height at 0.5m (19.5") from Bucket Pivot Point, lbs (kg) 783 (355)
Breakout Force at Bucket Pivot Point, lbs (kg) 2315 (1050)
Breakout Force at 0.5m (19.5") from Bucket Pivot Point, lbs (kg) 1690 (765)

Cycle Times
Loader Raise, sec. 3,1
Loader Lower, sec. 3,7
Bucket Dump, sec. 1,6
Bucket Rollback, sec. 2,3

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Front End Loaders Specifications
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FORD 768 FORD 770A FORD 772 FORD 776B
MF 236 MF 946 MF 1530 MF DL250
NH 12LA NH 210TL NH 655TL NH 7106
CASE IH L130 CASE IH L160 CASE IH L350 CASE IH L760