321C LCR Hydraulic Excavator

Overview & Specifications

Overview & Specifications

Engine

Engine Model
Cat® 3066T ATAAC
Cat® 3066T ATAAC
Net Flywheel Power
137 hp
102 kW
Net Power – ISO 9249
138 hp
103 kW
Bore
4.02 in
102 mm
Stroke
5.12 in
130 mm
Displacement
389 in3
6.37 L
Net Power – EEC 80/1269
138 hp
103 kW
Net Power – SAE J1349
137 hp
102 kW

Weights

Operating Weight
51864 lb
23525 kg
Operating Weight – Minimum
50416 lb
22868 kg
Operating Weight – Std. Undercarriage
51863.69 lb
23525 kg
Counterweight
13448.18 lb
6100 kg

Service Refill Capacities

Fuel Tank Capacity
87 gal
330 L
Cooling System
8.5 gal
32 L
Engine Oil
7.9 gal
30 L
Swing Drive
2.1 gal
8 L
Final Drive (each)
2.6 gal
10 L
Hydraulic System (including tank)
69 gal
260 L

Swing Mechanism

Swing Speed
10.6 RPM
10.6 RPM
Swing Torque
45582 lb ft
61.8 kN·m

Drive

Maximum Drawbar Pull
44063 lb
196 kN
Maximum Travel Speed
3.4 mph
5.5 km/h

Hydraulic System

Main Implement System – Maximum Flow (2x)
54 gal/min
205 L/min
Max. Pressure – Equipment
4974 psi
34300 kPa
Max. Pressure – Travel
4974 psi
34300 kPa
Max. Pressure – Swing
3625 psi
25000 kPa
Pilot System – Maximum Flow
11 gal/min
41 L/min
Pilot System – Maximum Pressure
566 psi
3900 kPa
Boom Cylinder – Bore
4.92 in
125 mm
Boom Cylinder – Stroke
55 in
1403 mm
B1 Family Bucket Cylinder – Bore
4.72 in
120 mm
B1 Family Bucket Cylinder – Stroke
41 in
1030 mm

Track

Standard w/Long Undercarriage
32 in
800 mm
Optional
24 in
600 mm
Optional
28 in
700 mm
Ground Clearance – Fixed Gauge
18.7 in
475 mm

Dimensions

Transport width
125.2 in
3180 mm
  
  
 

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