Milton CAT 321 D LCR - Manual (Page 15)

15 321D LCR Hydraulic Excavator specifications
Swing Mechanism
Swing Speed 11.5 rpm
Swing Torque 61.8 kN·m 45,612 lb ft
Drive
Maximum Drawbar Pull 206 kN 46,311 lb
Maximum Travel Speed 5.7 km/h 3.5 mph
Hydraulic System
Main Implement System – 205 L/min 54 gal/min
Maximum Flow (2x)
Max. pressure – Equipment 35 000 kPa 5,076 psi
Max. pressure – Equipment – 36 000 kPa 5,221 psi
Heavy
Max. pressure – Travel 35 000 kPa 5,076 psi
Max. pressure – Swing 25 000 kPa 3,626 psi
Pilot System – Maximum flow 32.4 L/min 9 gal/min
Pilot System – Maximum 3900 kPa 566 psi
pressure
Boom Cylinder – Bore 120 mm 4.7 in
Boom Cylinder – Stroke 1260 mm 49.6 in
Reach Stick Cylinder – Bore 140 mm 5.5 in
Reach Stick Cylinder – Stroke 1518 mm 59.8 in
B1 Family Bucket Cylinder – 120 mm 4.7 in
Bore
B1 Family Bucket Cylinder – 1104 mm 43.5 in
Stroke
Sound Performance
Performance ANSI/SAE J1166 APR 90
• When properly installed and maintained, the cab offered
by Caterpillar, when tested with doors and windows closed
according to ANSI/SAE J1166 OCT 98, meets OSHA and
MSHA requirements for operator sound exposure limits
in effect at time of manufacture.
• Hearing protection may be needed when operating with
an open operator station and cab (when not properly
maintained or doors/windows open) for extended periods
or in noisy environment.
Standards
Brakes SAE J1026 APR90
Cab/FOGS SAE J1356 FEB88
Engine
Engine Model Cat ® C6.4 ACERT™
Net Flywheel Power 110 kW 148 hp
Net Power – ISO 9249 110 kW 148 hp
Net Power – SAE J1349 110 kW 148 hp
Net Power – EEC 80/1269 110 kW 148 hp
Bore 102 mm 4.02 in
Stroke 130 mm 5.12 in
Displacement 6.4 L 389 in 3
• The 321D LCR meets U.S. EPA Tier 3 emissions requirements.
• Net flywheel power advertised is the power available at the
flywheel when the engine is equipped with fan, air cleaner,
muffler and alternator.
• No engine power derated below 2300 m (7,500 ft).
Weights
Operating Weight – Long 23 530 kg 51,875 lb
Undercarriage
Operating Weight – Long 24 180 kg 53,308 lb
Undercarriage 2
• Reach boom, R2.9B1 (9 ft 6 in) Stick, 0.9 m 3 (1.18 yd 3 ) Bucket,
600 mm (24 in) Shoes
• Reach boom, R2.9B1 (9 ft 6 in) Stick, 0.9 m 3 (1.18 yd 3 ) Bucket,
800 mm (32 in) Shoes
Service Refill Capacities
Fuel Tank Capacity 330 L 87 gal
Cooling System 25 L 6.6 gal
Engine Oil 30 L 8 gal
Swing Drive 8 L 2.1 gal
Final Drive (each) 8 L 2.1 gal
Hydraulic System (including tank) 208 L 55 gal
Hydraulic Tank 120 L 32 gal
Hydraulic Tank (Including 133 L 35 gal
suction pipe)
Track
Number of Shoes Each Side – 49
Long Undercarriage
Number of Track Rollers Each 8
Side – Long Undercarriage
Number of Carrier Rollers Each 2
Side – Long Undercarriage