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Develon DX350LCR-7
Configuration: Reduced tail swing; mono boom & standard arm (US20): 6,245 mm boom, 3,100 mm arm, 1.27 m³ (1.66 yd³) SAE bucket, 7,700 kg counterweight, 850 mm TG shoes; Tier 4 Final
Dimension diagram
| A | Overall length | 9,975 mm |
| B | Overall height | 3,200 mm |
| C | Track length on ground | 4,040 mm |
| D | Ground clearance | 475 mm |
| E | Overall width | 3,600 mm |
| F | Track gauge / tread | Not published |
| G | Shoe / track width | 850 mm |
Weights
| Spec | Value | Source |
|---|---|---|
| Operating weight | 36,152 kg | Published: 36,152 kg DEVELON DX350LCR-7 Crawler Excavator Spec Sheet, 25903_004_D092925, ©2025 HD Hyundai Infracore (US units, metric in parentheses); linked from https://na.develon-ce.com/en/construction-equipment/crawler-excavators/dx350lcr-7-crawler-excavator. Retrieved 2026-10-25Mono boom & standard arm (US20), 79,702 lb; second configuration column 80,929 lb (36,709 kg). |
Dimensions
Undercarriage / tires
| Spec | Value | Source |
|---|---|---|
| Undercarriage type | Crawler (steel tracks), fixed gauge | Published: Crawler (steel tracks), fixed gauge DEVELON DX350LCR-7 Crawler Excavator Spec Sheet, 25903_004_D092925, ©2025 HD Hyundai Infracore (US units, metric in parentheses); linked from https://na.develon-ce.com/en/construction-equipment/crawler-excavators/dx350lcr-7-crawler-excavator. 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 DX350LCR-7 Crawler Excavator Spec Sheet, 25903_004_D092925, ©2025 HD Hyundai Infracore (US units, metric in parentheses); linked from https://na.develon-ce.com/en/construction-equipment/crawler-excavators/dx350lcr-7-crawler-excavator. Retrieved 2026-10-25 |
Ground pressure
| Spec | Value | Source |
|---|---|---|
| Ground pressure | ≈ 47.1 kPa | Published: 0.48 kgf/cm² DEVELON DX350LCR-7 Crawler Excavator Spec Sheet, 25903_004_D092925, ©2025 HD Hyundai Infracore (US units, metric in parentheses); linked from https://na.develon-ce.com/en/construction-equipment/crawler-excavators/dx350lcr-7-crawler-excavator. Retrieved 2026-10-257.0 psi, configuration column; second column 0.49 kgf/cm². |
Engine
Hydraulics
| Spec | Value | Source |
|---|---|---|
| Pump / aux flow | 576 L/min | Published: 576 L/min DEVELON DX350LCR-7 Crawler Excavator Spec Sheet, 25903_004_D092925, ©2025 HD Hyundai Infracore (US units, metric in parentheses); linked from https://na.develon-ce.com/en/construction-equipment/crawler-excavators/dx350lcr-7-crawler-excavator. Retrieved 2026-10-25TOTAL main pump flow: 2 x 288.0 L/min (2 x 76.1 gpm) summed per README convention. Gear-type pilot pump 27.0 L/min not added. |
| System / relief pressure | ≈ 34.3 MPa | Published: 350 kgf/cm² DEVELON DX350LCR-7 Crawler Excavator Spec Sheet, 25903_004_D092925, ©2025 HD Hyundai Infracore (US units, metric in parentheses); linked from https://na.develon-ce.com/en/construction-equipment/crawler-excavators/dx350lcr-7-crawler-excavator. Retrieved 2026-10-25Boom/arm/bucket working pressure, normal mode (4,980.0 psi); power boost 370 kgf/cm². |
Performance
Similar models
| Brand | Model | Operating weight |
|---|---|---|
| Caterpillar | 335 | 36,200 kg |
| Hitachi | ZX350LC-7H | 36,200 kg |
| Hitachi | ZX345USLC-7H | 35,900 kg |
| Komatsu | PC360LC-11 | 36,509 kg |
| Komatsu | PC360LCi-11 | 36,509 kg |
| John Deere | 345 P-Tier | 35,700 kg |
Compare side by side with Caterpillar 335 and Hitachi ZX350LC-7H