Hydraulic Excavators
MINI EXCAVATOR 
An extensive line of Cat Mini Hydraulic Excavators offers the performance to dig in and be productive on every job.
| Model | Engine Model | Net Power | Operating Weight | Specifications |
| 300.9D | 31NV70 |
9.6 kW |
935 kg |
Specalog |
| 301.6C | L3E |
13.5 kW |
1.720 kg |
Specalog |
| 301.8C | L3E |
13.5 kW |
1.790 kg |
Specalog |
| 302.5C | S3L2 |
18.6 kW |
2.850 kg |
Specalog |
| 303C CR | S3Q2 |
22 kW |
3.560 kg |
Specalog |
| 303.5C CR | S3Q2-T |
29 kW |
3.910 kg |
Specalog |
| 303.5D CR | S3Q2 |
22 kW |
3.540 kg |
Specalog |
| 304C CR | S4Q2 |
31 kW |
4.920 kg |
Specalog |
| 304D CR | S3Q2-T |
29 kW |
3.855 kg |
Specalog |
| 305C CR | S4Q2-T |
35 kW |
5.320 kg |
Specalog |
| 305D CR | S4Q2 |
31 kW |
4.995 kg |
Specalog |
| 305.5D CR | S4Q2-T |
35 kW |
5.305 kg |
Specalog |
| 307D | 4M40 TL |
41.5 kW |
7.075 kg |
Specalog |
| 308D CR | 4M40 TL |
41.5 kW |
7.850 kg |
Specalog |
SMALL EXCAVATOR
The D-Series Small Hydraulic Excavators include a world-class cab, a C4.2 engine with ACERT™ Technology and improved performance and lift capability with best in class versatility.
| Model | Engine Model | Flywheel Power | Operating Weight | Specifications |
| 311D LRR | Cat® C4.2 ACERT™ |
60 kW |
12.480 kg |
Specalog |
| 312D/312D L | Cat® C4.2 ACERT™ |
67 kW |
12.920 kg |
Specalog |
| 314D CR/314D LCR | Cat® C4.2 ACERT™ |
67 kW |
14.000 kg |
Specalog |
| 315D L | Cat® C4.2 ACERT™ |
86 kW |
17.280 kg |
Specalog |
| 319D L/319D LN | Cat® C4.2 ACERT™ |
93 kW |
19.900 kg |
Specalog |
MEDIUM EXCAVATOR
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Cat hydraulic excavators are known for swing torque, hydraulic power, controllability, faster cycle times, reliability, lower owning & operating costs, and the best tons per hour productivity in the industry. -
Exclusive upper frame swing bearings are designed for more surface contact for longer life, improved stability, and reduction of machine pitching.
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Cat is the only manufacturer to offer a compact radius, reduced radius, and a standard radius in the medium hydraulic excavator size class.
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Hydraulic excavators are equipped with Product Link, which allows the customer to monitor the machine from a remote location by keeping track of hours of use, location, security, and machine health.
| Model | Engine Model | Net Flywheel Power | Operating Weight | Specifications |
| 320D L | C6.4 ACERT |
103 kW |
21.900 kg |
Specalog |
| 320D LRR | C6.4 ACERT |
103 kW |
24.300 kg |
Specalog |
| 321D LCR | C6.4 ACERT |
103 kW |
25.500 kg |
Specalog |
| 323D L/LN | C6.4 ACERT |
110 kW |
24.000 kg |
Specalog |
| 324D L/LN | C7 ACERT |
124 kW |
27.100 kg |
Specalog |
| 328D LCR | C7 ACERT |
140 kW |
35.400 kg |
Specalog |
| 329D L/LN | C7 ACERT |
140 kW |
30.100 kg |
Specalog |
LARGE EXCAVATOR
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Cat ACERT™ technology works at the point of combustion to optimize engine performance and provide low exhaust emissions. -
The optimized hydraulic system has been designed to provide reliability and outstanding controllability.
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The operator station provides maximum space, wider visibility, and easy access to switches. All of this ensures the most comfortable working environment for the operator.
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Many boom and stick options are available, offering a large range of configurations suitable for a wide variety of applications.
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Cat designed excavator undercarriage is stable, durable, and low maintenance.
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Caterpillar offers a wide variety of factory-installed auxiliary hydraulic and work tool options. This best-in-class versatility enhances performance and job site management.
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Fast, easy service has been designed in with extended service intervals, advanced filtration, convenient filter access and user-friendly electronic diagnostics for increased productivity and reduced maintenance costs.
| Model | Engine Model | Net Flywheel Power | Operating Weight | Specifications |
| 336D L/LN | C9 ACERT |
200 kW |
36.550 kg |
Specalog |
| 345D / 345D L | C13 ACERT |
283 kW |
52.230 kg |
Specalog |
| 374D L | C15 ACERT |
355 kW |
71.132 kg |
Specalog |
| 390D L | C18 ATTAC |
390 kW |
88.180 kg |
Specalog |



