08-11-2025, 11:10 PM
Introduction: The Legacy of the EX200LC Series
The Hitachi EX200LC series, particularly the Dash-2 variant, represents a transitional generation of hydraulic excavators that bridged analog simplicity with early electronic control systems. Produced in the early 1990s, these machines became staples on job sites across North America and Australia. Known for their robust undercarriage and efficient hydraulic systems, the Dash-2 models introduced electronic throttle control, mode selection, and solenoid-actuated pump displacement—features that offered improved fuel economy and operational flexibility but also introduced new diagnostic challenges.
Identifying a Dash-2 Machine
One of the most reliable ways to identify a Dash-2 EX200LC is by checking the serial number. Units starting with “147” typically denote Dash-2 designation. However, visual cues and control panel layout also help confirm the model:
Terminology Note: Pump Displacement Solenoid and Auto-Idle
- Pump Displacement Solenoid: An electrically actuated valve that adjusts the hydraulic pump’s output based on operator input and machine load.
- Auto-Idle: A feature that reduces engine RPM when controls are inactive, improving fuel efficiency and reducing wear.
Common Issues and Inspection Tips
Dash-2 machines, while capable, are known for several recurring issues—especially in older units with high hours or auction histories:
One operator recalled bidding on a 1992 EX200LC at a regional auction. The machine had visible welds on the boom and was repainted just before sale. Despite concerns, it sold for $25,000—well above the expected range. The repaint likely boosted perceived value, masking underlying wear. The buyer later discovered throttle inconsistencies and had to retrofit a manual cable system to bypass faulty electronics.
Suggested Parameters for Evaluation
For buyers with limited capital (e.g., under $20,000), older Dash-2 units can be viable if:
Case Study: Transition to a John Deere 790ELC
After missing out on the EX200LC, one buyer acquired a 1994 John Deere 790ELC—essentially a rebadged Hitachi with similar architecture. The unit had a new undercarriage, fresh batteries, and pump rebuilds within the last 1,000 hours. Purchased for $30,000, it offered better long-term reliability and fewer electrical quirks. This underscores the value of cross-brand compatibility and the importance of timing in auction environments.
Control Panel Breakdown and Operator Tips
Understanding the control panel is crucial for effective operation. Key switches include:
Solutions for Throttle and Mode Failures
If electronic throttle or mode switches fail:
The Hitachi EX200LC-2 remains a viable option for budget-conscious operators seeking a reliable excavator for light to moderate use. While its electronics can be temperamental, many issues are manageable with basic mechanical skills and aftermarket solutions. Whether bidding at auction or buying privately, thorough inspection and understanding of the machine’s systems are key. With proper care, these machines continue to move earth—and stories—decades after their debut.
The Hitachi EX200LC series, particularly the Dash-2 variant, represents a transitional generation of hydraulic excavators that bridged analog simplicity with early electronic control systems. Produced in the early 1990s, these machines became staples on job sites across North America and Australia. Known for their robust undercarriage and efficient hydraulic systems, the Dash-2 models introduced electronic throttle control, mode selection, and solenoid-actuated pump displacement—features that offered improved fuel economy and operational flexibility but also introduced new diagnostic challenges.
Identifying a Dash-2 Machine
One of the most reliable ways to identify a Dash-2 EX200LC is by checking the serial number. Units starting with “147” typically denote Dash-2 designation. However, visual cues and control panel layout also help confirm the model:
- Presence of electronic mode switches (Power, Economy, Light, Idle)
- Digital throttle control with up/down arrows and “E” button
- Hydraulic warm-up switch and travel speed indicators
- Work mode selector with trenching, grading, and precision options
Terminology Note: Pump Displacement Solenoid and Auto-Idle
- Pump Displacement Solenoid: An electrically actuated valve that adjusts the hydraulic pump’s output based on operator input and machine load.
- Auto-Idle: A feature that reduces engine RPM when controls are inactive, improving fuel efficiency and reducing wear.
Common Issues and Inspection Tips
Dash-2 machines, while capable, are known for several recurring issues—especially in older units with high hours or auction histories:
- Electrical glitches in throttle control and mode switches
- Erratic hydraulic response when oil heats up, often due to solenoid bypass
- Weld repairs near boom cylinder mounts, indicating structural fatigue
- Cosmetic repainting that may conceal wear or damage
- Test-run the machine until hydraulic oil reaches operating temperature
- Observe throttle response across all modes
- Inspect welds for signs of stress or poor penetration
- Check for manual throttle conversions, which may indicate unresolved electrical faults
One operator recalled bidding on a 1992 EX200LC at a regional auction. The machine had visible welds on the boom and was repainted just before sale. Despite concerns, it sold for $25,000—well above the expected range. The repaint likely boosted perceived value, masking underlying wear. The buyer later discovered throttle inconsistencies and had to retrofit a manual cable system to bypass faulty electronics.
Suggested Parameters for Evaluation
- Acceptable idle RPM: 900–1100
- Operating RPM in Power Mode: 1800–2000
- Hydraulic oil temperature range: 50–80°C during testing
- Boom weld inspection: Look for cracks near cylinder pin bosses
- Solenoid resistance check: 10–15 ohms typical for pump control units
- Hour meter reading: Machines over 14,000 hours require close scrutiny
For buyers with limited capital (e.g., under $20,000), older Dash-2 units can be viable if:
- Usage is occasional and non-critical
- Electrical systems are verified functional or bypassed with manual controls
- Undercarriage is in fair condition (track pads, rollers, sprockets)
- Hydraulic pumps show no signs of cavitation or overheating
Case Study: Transition to a John Deere 790ELC
After missing out on the EX200LC, one buyer acquired a 1994 John Deere 790ELC—essentially a rebadged Hitachi with similar architecture. The unit had a new undercarriage, fresh batteries, and pump rebuilds within the last 1,000 hours. Purchased for $30,000, it offered better long-term reliability and fewer electrical quirks. This underscores the value of cross-brand compatibility and the importance of timing in auction environments.
Control Panel Breakdown and Operator Tips
Understanding the control panel is crucial for effective operation. Key switches include:
- Accelerator and Decelerator: Adjust engine RPM manually
- Power Mode (P): Full hydraulic output for heavy digging
- Economy Mode (E): Reduced fuel consumption, lower RPM
- Light Mode (L): For light-duty tasks
- Idle Mode (I): Minimizes engine speed during inactivity
- Hydraulic Warm-Up: Activates flow to warm oil before full operation
- Travel Speed Selectors: Adjust movement speed for site conditions
- Work Mode Selector: Tailors hydraulic response for trenching, grading, or precision tasks
- Auto-Idle: Automatically lowers RPM when controls are idle
Solutions for Throttle and Mode Failures
If electronic throttle or mode switches fail:
- Inspect wiring harnesses for corrosion or loose connectors
- Test solenoids with multimeter for proper resistance
- Consider installing a manual throttle cable as a fallback
- Clean control panel contacts and reseat connectors
- Use diagnostic manuals or consult experienced mechanics for troubleshooting
The Hitachi EX200LC-2 remains a viable option for budget-conscious operators seeking a reliable excavator for light to moderate use. While its electronics can be temperamental, many issues are manageable with basic mechanical skills and aftermarket solutions. Whether bidding at auction or buying privately, thorough inspection and understanding of the machine’s systems are key. With proper care, these machines continue to move earth—and stories—decades after their debut.
