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Develon DX300LC-9
Configuration: Standard arm (US20/US25): 6,245 mm boom, 3,100 mm arm, 1.60 m³ (2.09 yd³) SAE bucket, 800 mm TG shoes; Tier 4 Final
Dimension diagram
| A | Overall length | 10,601 mm |
| B | Overall height | 3,166 mm |
| C | Track length on ground | 4,040 mm |
| D | Ground clearance | 473 mm |
| E | Overall width | 3,400 mm |
| F | Track gauge / tread | Not published |
| G | Shoe / track width | 800 mm |
Weights
| Spec | Value | Source |
|---|---|---|
| Operating weight | 34,010 kg | Published: 34,010 kg DEVELON DX300LC-9 Crawler Excavator Spec Sheet, 26906_001_D082526, ©2026 HD Hyundai Infracore (US units, metric in parentheses); linked from https://na.develon-ce.com/en/construction-equipment/crawler-excavators/dx300lc-7-crawler-excavator (page now links the DX300LC-9 sheet). Retrieved 2026-10-25Standard arm, 74,979 lb; long arm 34,420 kg; super-long-reach 34,623 kg. Counterweight printed '12125 lb. (6300 kg)' (units inconsistent). |
Dimensions
Undercarriage / tires
| Spec | Value | Source |
|---|---|---|
| Undercarriage type | Crawler (steel tracks), fixed gauge | Published: Crawler (steel tracks), fixed gauge DEVELON DX300LC-9 Crawler Excavator Spec Sheet, 26906_001_D082526, ©2026 HD Hyundai Infracore (US units, metric in parentheses); linked from https://na.develon-ce.com/en/construction-equipment/crawler-excavators/dx300lc-7-crawler-excavator (page now links the DX300LC-9 sheet). Retrieved 2026-10-25 |
| Track rollers / shoes per side | 9 lower rollers, 2 upper rollers, 48 shoes (links) per side | Published: 9 lower rollers, 2 upper rollers, 48 shoes (links) per side DEVELON DX300LC-9 Crawler Excavator Spec Sheet, 26906_001_D082526, ©2026 HD Hyundai Infracore (US units, metric in parentheses); linked from https://na.develon-ce.com/en/construction-equipment/crawler-excavators/dx300lc-7-crawler-excavator (page now links the DX300LC-9 sheet). Retrieved 2026-10-25 |
Ground pressure
| Spec | Value | Source |
|---|---|---|
| Ground pressure | Not published | DEVELON DX300LC-9 Crawler Excavator Spec Sheet, 26906_001_D082526, ©2026 HD Hyundai Infracore (US units, metric in parentheses); linked from https://na.develon-ce.com/en/construction-equipment/crawler-excavators/dx300lc-7-crawler-excavator (page now links the DX300LC-9 sheet). Retrieved 2026-10-25 Ground pressure row printed without a value. |
Engine
Hydraulics
| Spec | Value | Source |
|---|---|---|
| Pump / aux flow | 576 L/min | Published: 576 L/min DEVELON DX300LC-9 Crawler Excavator Spec Sheet, 26906_001_D082526, ©2026 HD Hyundai Infracore (US units, metric in parentheses); linked from https://na.develon-ce.com/en/construction-equipment/crawler-excavators/dx300lc-7-crawler-excavator (page now links the DX300LC-9 sheet). Retrieved 2026-10-25Main pumps 2 x 288 L/min (2 x 76.1 gpm). |
| System / relief pressure | ≈ 34.3 MPa | Published: 350 kgf/cm² DEVELON DX300LC-9 Crawler Excavator Spec Sheet, 26906_001_D082526, ©2026 HD Hyundai Infracore (US units, metric in parentheses); linked from https://na.develon-ce.com/en/construction-equipment/crawler-excavators/dx300lc-7-crawler-excavator (page now links the DX300LC-9 sheet). Retrieved 2026-10-25Boom/arm/bucket working pressure, normal mode (4,978.2 psi); power boost 380 kgf/cm². |
Performance
Similar models
| Brand | Model | Operating weight |
|---|---|---|
| Liebherr | R 936 Compact Litronic | 33,750 kg |
| Liebherr | R 934 Litronic | 34,600 kg |
| HD Hyundai | HX350A L | 35,010 kg |
| Volvo | ECR355 | 35,522 kg |
| Komatsu | PC290LC-11 | 32,450 kg |
| Komatsu | PC290LCi-11 | 32,450 kg |
Compare side by side with Liebherr R 936 Compact Litronic and Liebherr R 934 Litronic