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Kubota BL4690B Backhoe Specs

Compatible Tractors

3-Point hitch ............. Category 1
Tractor models ............. Kubota L2250, L2550, L2950, L2600, L3300, L3410, L3250, L3650, L4200, L3710, L4610
Front tires ............. 7.20x16
Rear tires ............. 12.4x24
Hydraulic flow, gpm (l/min) ............. 7.0 (26.5)

Dimensions and Weight

Transport height, in (mm) ............. 79 (2007)
Boom pivot pin (height from ground), in (mm) ............. 13.5 (343)
Ground clearance, in (mm) ............. 8.5 (215)
Operating weight, lbs (kg) ............. 912 (415)

Operating Specifications

Digging depth (maximum), in (mm) ............. 90.2 (2290)
Loading height, in (mm) ............. 78.9 (2005)
Reach from centerline of rear axle, in (mm) ............. 158 (4013)
Reach from swing pivot, in (mm) ............. 116.5 (2960)
Bucket rotation, degrees ............. 180
Undercut from centerline of swing pivot, in (mm) ............. 32.8 (833)
Swing arc, degrees ............. 180
Stabilizers spread (transport), in (mm) ............. 59 (1498)
Stabilizer spread (operating), in (mm) ............. 102 (2590)
Overhang from centerline of swing pivot, in (mm) ............. 45.7 (1160)
Angle of departure, degrees ............. 15-21.5
Bucket Digging Force, lbs (kg) ............. 2950 (1338)
Dipperstick Digging Force, lbs (kg) ............. 1740 (789)

Hydraulic Cylinders

Boom cylinder bore/stroke, in (mm) ............. 2.25 (57) / 19 (482)
Boom cylinder rod diameter, in (mm) ............. 1.12 (28)
Dipperstick cylinder bore/stroke, in (mm) ............. 2.25 (57) / 16 (406)
Dipperstick cylinder rod diameter, in (mm) ............. 1.12 (28)
Bucket cylinder bore/stroke, in (mm) ............. 2.25 (57) / 12 (305)
Bucket cylinder rod diameter, in (mm) ............. 1.12 (28)
Stabilizer cylinder bore/stroke, in (mm) ............. 2.25 (57) / 12 (305)
Stabilizer cylinder rod diameter, in (mm) ............. 1.12 (28)
Swing cylinder bore/stroke, in (mm) ............. 2.25 (57) / 11 (279)
Swing cylinder rod diameter, in (mm) ............. 1.12 (28)

Backhoe Buckets

Width, in (mm) ............. 10 (255)
Number of teeth ............. 3
Struck capacity, cu.ft (m3) ............. 0.60 (0.017)
Heaped capacity, cu.ft (m3) ............. 0.74 (0.021)
Weight, lbs (kg) ............. 64 (29)

Width, in (mm) ............. 12 (305)
Number of teeth ............. 3
Struck capacity, cu.ft (m3) ............. 0.77 (0.022)
Heaped capacity, cu.ft (m3) ............. 0.95 (0.027)
Weight, lbs (kg) ............. 71 (32)

Width, in (mm) ............. 16 (405)
Number of teeth ............. 4
Struck capacity, cu.ft (m3) ............. 1.09 (0.031)
Heaped capacity, cu.ft (m3) ............. 1.38 (0.039)
Weight, lbs (kg) ............. 84 (38)

Width, in (mm) ............. 24 (610)
Number of teeth ............. 5
Struck capacity, cu.ft (m3) ............. 1.70 (0.048)
Heaped capacity, cu.ft (m3) ............. 2.26 (0.064)
Weight, lbs (kg) ............. 104 (47)