Milton CAT 321 D LCR - Manual (Page 18)

18 321D LCR Hydraulic Excavator specifications
General Purpose Buckets R2.9B1 Stick R2.9B1 Stick w/Coupler R2.5B1 Stick R2.5B1 Stick w/Coupler
Bucket Digging Force (ISO) 140 kN (31,361 lb) 116 kN (26,145 lb) 140 kN (31,361 lb) 116 kN (26,145 lb)
Bucket Digging Force (SAE) 125 kN (28,079 lb) 108 kN (24,189 lb) 125 kN (28,079 lb) 108 kN (24,189 lb)
Stick Digging Force (ISO) 106 kN (23,897 lb) 100 kN (22,436 lb) 118 kN (26,460 lb) 110 kN (24,706 lb)
Stick Digging Force (SAE) 103 kN (23,223 lb) 98 kN (22,009 lb) 114 kN (25,628 lb) 107 kN (24,144 lb)
Power Buckets R2.9B1 Stick R2.9B1 Stick w/Coupler R2.5B1 Stick R2.5B1 Stick w/Coupler
Bucket Digging Force (ISO) 163 kN (36,711 lb) 124 kN (27,809 lb) 163 kN (36,711 lb) 124 kN (27,809 lb)
Bucket Digging Force (SAE) 144 kN (32,417 lb) 113 kN (25,493 lb) 144 kN (32,417 lb) 113 kN (25,493 lb)
Stick Digging Force (ISO) 109 kN (24,482 lb) 102 kN (22,863 lb) 121 kN (27,202 lb) 112 kN (25,224 lb)
Stick Digging Force (SAE) 106 kN (23,717 lb) 99 kN (22,301 lb) 117 kN (26,235 lb) 109 kN (24,527 lb)
Heavy Duty/Rock Buckets R2.9B1 Stick R2.9B1 Stick w/Coupler R2.5B1 Stick R2.5B1 Stick w/Coupler
Bucket Digging Force (ISO) 140 kN (31,563 lb) 117 kN (26,258 lb) 140 kN (31,563 lb) 117 kN (26,258 lb)
Bucket Digging Force (SAE) 125 kN (28,079 lb) 107 kN (24,144 lb) 125 kN (28,079 lb) 108 kN (24,212 lb)
Stick Digging Force (ISO) 106 kN (23,920 lb) 100 kN (22,458 lb) 118 kN (26,505 lb) 110 kN (24,729 lb)
Stick Digging Force (SAE) 103 kN (23,200 lb) 98 kN (21,964 lb) 114 kN (25,606 lb) 107 kN (24,100 lb)
Bucket and Stick Forces
Bucket and Stick force are calculated with different buckets than those calculated for working range.
Major Component Weights
Base machine with counterweight and shoes (without front linkage)
Long undercarriage with 800 mm shoes 20 200 kg 44,533 lb
Two boom cylinders 344 kg 758 lb
Counterweight 6100 kg 13,448 lb
Boom (includes lines, pins and stick cylinder)
Reach boom 5.7 m (18'5") 1660 kg 3,660 lb
Stick (includes lines, pins, bucket cylinder and linkage)
R2.9B1 (9'7") 970 kg 2,138 lb
R2.5B1 (8'3") 940 kg 2,072 lb
Undercarriage
[includes carbody, swing bearing, trackframe, rollers, idlers, steps, guards, final drive]
L undercarriage with 800 mm shoes 7850 kg 17,306 lb
All weights are approximate.