________________________________________________________________________________

Kubota BT603 Backhoe Specs

Compatible Tractors

3-Point hitch ............. Category 1
Tractor models ............. Kubota BX23S TLB
Front tires ............. 18x8.50-10
Rear tires ............. 26x12.00-12
Hydraulic flow, gpm (l/min) ............. 6.2 (23.5)

Dimensions and Weight

Transport height, in (mm) ............. 67.7 (1720)
Operating height (fully raised), in (mm) ............. 100 (2540)
Overall width, in (mm) ............. 44.4 (1128)
Ground clearance, in (mm) ............. 9.4 (240)
Operating weight, lbs (kg) ............. 607 (275)

Operating Specifications

Digging depth (maximum), in (mm) ............. 74.4 (1890)
Digging depth (2-ft flat bottom), in (mm) ............. 72.5 (1842)
Digging depth (8-ft flat bottom), in (mm) ............. 41.7 (1060)
Loading height, in (mm) ............. 60.4 (1533)
Loading reach, in (mm) ............. 39.9 (1015)
Reach from swing pivot, in (mm) ............. 102.8 (2612)
Bucket rotation, degrees ............. 180
Swing arc, degrees ............. 140
Stabilizers spread (transport), in (mm) ............. 51 (1295)
Stabilizer spread (operating), in (mm) ............. 73.3 (1862)
Angle of departure, degrees ............. 20.1
Leveling angle, degrees ............. 11
Bucket Digging Force, lbs (kg) ............. 1936 (877)
Dipperstick Digging Force, lbs (kg) ............. 1171 (530)

Hydraulic Cylinders

Boom cylinder bore, in (mm) ............. 2.56 (65)
Boom cylinder rod diameter, in (mm) ............. 1.18 (30)
Dipperstick cylinder bore, in (mm) ............. 2.36 (60)
Dipperstick cylinder rod diameter, in (mm) ............. 0.98 (25)
Bucket cylinder bore, in (mm) ............. 1.97 (50)
Bucket cylinder rod diameter, in (mm) ............. 0.98 (25)
Stabilizer cylinder bore, in (mm) ............. 2.36 (60)
Stabilizer cylinder rod diameter, in (mm) ............. 0.98 (25)
Swing cylinder bore, in (mm) ............. 2.36 (60)
Swing cylinder rod diameter, in (mm) ............. 1.18 (30)

Backhoe Buckets

Width, in (mm) ............. 8 (203)
Number of teeth ............. 2
Struck capacity, cu.ft (m3) ............. 0.32 (0.009)
Heaped capacity, cu.ft (m3) ............. 0.39 (0.011)
Weight, lbs (kg) ............. 22 (10)

Width, in (mm) ............. 12 (305)
Number of teeth ............. 3
Struck capacity, cu.ft (m3) ............. 0.50 (0.014)
Heaped capacity, cu.ft (m3) ............. 0.71 (0.020)
Weight, lbs (kg) ............. 28 (13)

Width, in (mm) ............. 16 (405)
Number of teeth ............. 3
Struck capacity, cu.ft (m3) ............. 0.71 (0.020)
Heaped capacity, cu.ft (m3) ............. 1.02 (0.029)
Weight, lbs (kg) ............. 34 (16)

Cycle Times

Boom cylinder (extended), sec ............. 4.5
Boom cylinder (retracted), sec ............. 3.7
Swing cylinder (90 deg to center), sec ............. 1.5
Dipperstick cylinder (extended), sec ............. 4.1
Dipperstick cylinder (retracted), sec ............. 3.4
Bucket cylinder (extended), sec ............. 3.1
Bucket cylinder (retracted), sec ............. 2.4
Stabilizer cylinder (max height to ground level), sec ............. 2.9
Stabilizer cylinder (ground level to max height), sec ............. 2.3