The Caterpillar 345C L is a large hydraulic excavator in Caterpillar's 345C series, designed for heavy-duty earthmoving, mass excavation, and site development work. As an excavator, it is commonly used in construction, mining support, quarry operations, and infrastructure projects. The 345C L features a long undercarriage configuration for improved stability and ground contact during digging and lifting tasks. It is typically equipped with a Caterpillar diesel engine, hydraulic control system, and operator cab designed for productivity and visibility. The model is recognized for its digging depth, reach, and performance in demanding material handling applications.
Boom/Stick 1
Caterpillar 345C L Excavator Boom/Stick 1 specifications
Boom/Stick 1
R4.3TB-Reach Boom
Max Digging Depth
28.25 ft (8.61 m)
Max Loading Height
24.92 ft (7.60 m)
Max Reach Along Ground
41.08 ft (12.52 m)
Max Vertical Wall Digging Depth
19.43 ft (5.92 m)
Shipping Height Of Unit
12.33 ft (3.76 m)
Shipping Length Of Unit
39.08 ft (11.91 m)
Boom/Stick 2
Caterpillar 345C L Excavator Boom/Stick 2 specifications
Boom/Stick 2
R3.9TB--Reach Boom
Max Digging Depth
26.92 ft (8.21 m)
Max Loading Height
24.50 ft (7.47 m)
Max Reach Along Ground
39.83 ft (12.14 m)
Max Vertical Wall Digging Depth
17.68 ft (5.39 m)
Shipping Height Of Unit
11.92 ft (3.63 m)
Shipping Length Of Unit
39.08 ft (11.91 m)
Boom/Stick 3
Caterpillar 345C L Excavator Boom/Stick 3 specifications
Boom/Stick 3
R3.5TB-Reach Boom
Max Digging Depth
25.08 ft (7.64 m)
Max Loading Height
24.33 ft (7.42 m)
Max Reach Along Ground
38.42 ft (11.71 m)
Max Vertical Wall Digging Depth
17.08 ft (5.21 m)
Shipping Height Of Unit
10.92 ft (3.33 m)
Shipping Length Of Unit
38.83 ft (11.84 m)
Boom/Stick 4
Caterpillar 345C L Excavator Boom/Stick 4 specifications
Boom/Stick 4
R2.9TB-Mass Excavation Boom
Max Digging Depth
23.58 ft (7.19 m)
Max Loading Height
23.75 ft (7.24 m)
Max Reach Along Ground
37.08 ft (11.30 m)
Max Vertical Wall Dig Depth
15.75 ft (4.80 m)
Shipping Height Of Unit
11.58 ft (3.53 m)
Shipping Length Of Unit
38.92 ft (11.86 m)
Boom/Stick 5
Caterpillar 345C L Excavator Boom/Stick 5 specifications
Boom/Stick 5
R4.3TB-Long Reach Boom
Max Digging Depth
29.25 ft (8.92 m)
Max Loading Height
26.00 ft (7.92 m)
Max Reach Along Ground
42.50 ft (12.95 m)
Max Vertical Wall Dig Depth
19.58 ft (5.97 m)
Shipping Height Of Unit
11.75 ft (3.58 m)
Shipping Length Of Unit
40.67 ft (12.40 m)
Boom/Stick 6
Caterpillar 345C L Excavator Boom/Stick 6 specifications
Boom/Stick 6
R3.9TB-Long Reach Boom
Max Digging Depth
27.92 ft (8.51 m)
Max Loading Height
25.58 ft (7.80 m)
Max Reach Along Ground
41.33 ft (12.60 m)
Max Vertical Wall Dig Depth
17.83 ft (5.43 m)
Shipping Height Of Unit
11.50 ft (3.51 m)
Shipping Length Of Unit
40.75 ft (12.42 m)
Buckets
Caterpillar 345C L Excavator Buckets specifications
Maximum Bucket Capacity
4.6 cu yd
Reference Bucket Capacity
2.5 cu yd
Dimensions
Caterpillar 345C L Excavator Dimensions specifications
Ground Clearance
1.67 ft (0.51 m)
Height
12.08 ft (3.68 m)
Height To Top Of Cab
10.50 ft (3.20 m)
Length
40.67 ft (12.40 m)
Length Of Track On Ground
14.33 ft (4.37 m)
Removal Counterweight Clearance
4.33 ft (1.32 m)
Shipping Height
12.37 ft (3.77 m)
Tail Swing Radius
12.33 ft (3.76 m)
Weight
99,150.00 lbs (44,973.74 kg)
Width
12.00 ft (3.66 m)
Width To Outside Of Tracks
11.42 ft (3.48 m)
Drive
Caterpillar 345C L Excavator Drive specifications
Maximum Drawbar Pull - Long Undercarriage
75,920.00 lbs (34,436.78 kg)
Maximum Travel Speed
2.70 mph (4.35 kph)
Engine
Caterpillar 345C L Excavator Engine specifications
Bore
5.10 in (12.95 cm)
Cylinders
6
Displacement
763.00 cu in (12,503.36 cu cm)
Engine Make
2236
Engine Model
C13
Net Flywheel Power
345.00 hp (257.27 kw)
Net Power
325.00 hp (242.36 kw)
Net Power - Eec 80/1269
345.00 hp (257.27 kw)
Net Power - Iso 9249
345.00 hp (257.27 kw)
Net Power - Sae J1349
345.00 hp (257.27 kw)
Number Of Cylinders
6
Power Measured @
1800 rpm
Stroke
6.20 in (15.75 cm)
Hydraulic System
Caterpillar 345C L Excavator Hydraulic System specifications
Boom Cylinder - Bore
6.30 in (16.00 cm)
Boom Cylinder - Stroke
62.00 in (157.48 cm)
Main Normal Relief Pressure
5080 psi
Main System - Maximum Flow - Total
190.00 gpm (719.15 lpm)
Maximum Pressure - Equipment - Heavy Lift
5511 psi
Maximum Pressure - Equipment - Normal
5080 psi
Maximum Pressure - Swing
4550 psi
Maximum Pressure - Travel
5080 psi
Pilot System - Maximum Flow
11.00 gpm (41.64 lpm)
Pilot System - Maximum Pressure
596 psi
Stick Cylinder - Bore
7.50 in (19.05 cm)
Stick Cylinder - Stroke - For Long Reach And Reach Fronts
70.00 in (177.80 cm)
Stick Cylinder - Stroke - For Mass Excavation Fronts
69.20 in (175.77 cm)
Tb Family Bucket Cylinder - Bore
6.30 in (16.00 cm)
Tb Family Bucket Cylinder - Stroke
53.40 in (135.64 cm)
Ub Family Bucket Cylinder - Bore
6.70 in (17.02 cm)
Ub Family Bucket Cylinder - Stroke
55.00 in (139.70 cm)
Operating Specifications
Caterpillar 345C L Excavator Operating Specifications specifications
Bucket Digging Force - Normal
39,300.00 lbs (17,826.20 kg)
Maximum Bucket Capacity
5 cu yd
Maximum Digging Depth
29.30 ft (8.93 m)
Maximum Reach - Ground Level
42.50 ft (12.95 m)
Nominal Bucket Weight
3,880.00 lbs (1,759.94 kg)
Operational
Caterpillar 345C L Excavator Operational specifications
Cooling System Fluid Capacity
16.00 gal (60.56 l)
Engine Oil Capacity
11.00 gal (41.64 l)
Fuel Capacity
186.00 gal (704.01 l)
Hydraulic Pump Flow Capacity
190.00 gpm (719.15 lpm)
Hydraulic System Fluid Capacity
150.00 gal (567.75 l)
Hydraulic System Relief Valve Pressure
5080 psi
Operating Weight
99,150.00 lbs (44,973.74 kg)
Swing Drive Fluid Capacity
2.60 gal (9.84 l)
Service Refill Capacities
Caterpillar 345C L Excavator Service Refill Capacities specifications
Cooling System
16.00 gal (60.56 l)
Engine Oil
11.00 gal (41.64 l)
Final Drive - Each
4.00 gal (15.14 l)
Fuel Tank Capacity
186.00 gal (704.01 l)
Hydraulic System - Including Tank
150.00 gal (567.75 l)
Hydraulic Tank
64.00 gal (242.24 l)
Swing Drive - Each
2.60 gal (9.84 l)
Sound Performance
Caterpillar 345C L Excavator Sound Performance specifications
Performance
ANSI/SAE J1166 MAY90 Meets OSHA and MSHA Requirements
Standards
Caterpillar 345C L Excavator Standards specifications
Brakes
SAE J1026 APR90
Cab/Fogs
SAE J1356 FEB 88 and ISO 10262-1998
Swing Mechanism
Caterpillar 345C L Excavator Swing Mechanism specifications
Swing Speed
8.6 rpm
Swing Torque
109,560.00 lbs ft (148,541.45 nm)
Track
Caterpillar 345C L Excavator Track specifications
Number Of Carrier Rollers - Each Side
2
Number Of Shoes - Each Side - Long Undercarriage
52
Number Of Track Rollers - Each Side - Long Undercarriage
9
Undercarriage
Caterpillar 345C L Excavator Undercarriage specifications
Drawbar Pull
75,920.00 lbs (34,436.78 kg)
Max Travel Speed
2.70 mph (4.35 kph)
Number Of Carrier Rollers Per Side
2
Number Of Shoes Per Side
52
Number Of Track Rollers Per Side
9
Shoe Size
30.00 in (76.20 cm)
Track Gauge
9.00 ft (2.74 m)
Weights
Caterpillar 345C L Excavator Weights specifications
Operating Weight
99,150.00 lbs (44,973.74 kg)
Operating Weight - Long Undercarriage
99,150.00 lbs (44,973.74 kg)
Operating Weight - Standard Undercarriage
99,150.00 lbs (44,973.74 kg)
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