Milton CAT 312E - Manual (Page 18)

312E Hydraulic Excavator Specifications
Operating Weight and Ground Pressure
Long Undercarriage without Blade
770 mm (30") 700 mm (28") 600 mm (24") 500 mm (20")
Triple Grouser Shoes Triple Grouser Shoes Triple Grouser Shoes Triple Grouser Shoes
kg (lb) kPa (psi) kg (lb) kPa (psi) kg (lb) kPa (psi) kg (lb) kPa (psi)
Reach Boom – 4.65 m (15'3")
R3.0 (9'10") 14 200 (31,310) 27.5 (3.98) 14 100 (31,090) 30.0 (4.35) 13 800 (30,430) 34.2 (4.97) 13 500 (29,770) 40.2 (5.83)
R2.8 (9'2") 14 200 (31,310) 27.5 (3.98) 14 000 (30,870) 29.8 (4.32) 13 800 (30,430) 34.2 (4.97) 13 500 (29,770) 40.2 (5.83)
R2.5 (8'2") 14 100 (31,090) 27.3 (3.97) 14 000 (30,870) 29.8 (4.32) 13 700 (30,210) 34.1 (4.94) 13 500 (29,770) 40.2 (5.83)
Long Undercarriage with Blade
Reach Boom – 4.65 m (15'3")
R3.0 (9'10") 15 000 (33,080) 29.0 (4.21) 14 900 (32,850) 31.7 (4.60) 14 600 (32,190) 36.2 (5.26) 14 400 (31,750) 42.9 (6.22)
R2.8 (9'2") 15 000 (33,080) 29.0 (4.21) 14 900 (32,850) 31.7 (4.60) 14 600 (32,190) 36.2 (5.26) 14 300 (31,530) 42.6 (6.18)
R2.5 (8'2") 14 900 (32,850) 28.9 (4.20) 14 800 (32,630) 31.5 (4.57) 14 500 (31,970) 36.0 (5.22) 14 300 (31,530) 42.6 (6.18)
All weights are rounded up to nearest 100 kg and lb including General Duty 0.65 m 3 (0.84 yd 3 ) bucket (470 kg/1,040 lb).
Major Component Weights
kg lb
Base Machine (with boom cylinder, without counterweight, front linkage and track) 5120 11,290
Long Undercarriage 2600 5,730
Counterweight 2.2 mt (2.4 t) 2200 4,850
Boom (includes lines, pins and stick cylinder)
Reach Boom – 4.65 m (15'3") 1010 2,230
Stick (includes lines, pins, bucket cylinder, and bucket linkage)
R3.0 (9'10") 560 1,230
R2.8 (9'2") 530 1,170
R2.5 (8'2") 480 1,060
R3.0 (9'10") for Thumb 610 1,350
Track Shoe (Long/per two tracks)
500 mm (20") Triple Grouser 1560 3,440
600 mm (24") Triple Grouser 1820 4,010
700 mm (28") Triple Grouser 2100 4,630
770 mm (30") Triple Grouser 2240 4,940
Blade
2500 mm (8'2") 810 1,790
2600 mm (8'6") 810 1,790
2700 mm (8'10") 820 1,810
All weights are rounded up to nearest 10 kg and lb except for buckets. Kg and lb were rounded up separately so some of the kg and lb do not match.
Base machine includes 75 kg (165 lb) operator weight, 90% fuel weight, and undercarriage with center guard.
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