Other
Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof: > Other instruments, appliances and machines: > Other > Equipment for testing the characteristics of internal combustion engines: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 9031.80.80.70
Caprotec Backpressure Tester
Caprotec tests exhaust system backpressure affecting IC engine performance and emissions. HTS 9031.80.80.70 for engine restriction characteristic measurement. Digital readout.
ETAS INCA Engine ECU Calibrator
ETAS INCA interfaces with engine control units to test mapping, sensor calibration, and real-time engine parameters. Classified in HTS 9031.80.80.70 as equipment for IC engine characteristic measurement via electronic diagnostics. Critical for engine tuning.
AEM X-Series AFR Gauge
AEM X-Series digital gauge displays air/fuel ratios for real-time IC engine monitoring and tuning. Falls under HTS 9031.80.80.70 as specialized engine testing display equipment. CAN bus integrated.
Bosch KTS Truck Diagnostic Scanner
Bosch KTS series scans heavy-duty diesel engine ECUs for fault codes, live data, and performance metrics. HTS 9031.80.80.70 for IC engine diagnostic testing equipment. Truck-specific software.
Snap-on MODIS Ultralite Scanner
Snap-on MODIS provides oscilloscope, multimeter, and engine parameter graphing for IC diagnostics. Classified HTS 9031.80.80.70 as comprehensive engine testing platform. Wireless connectivity.
Rotadata PDP Cylinder Head Flowbench
Rotadata PDP measures port discharge coefficients and swirl in IC engine cylinder heads. HTS 9031.80.80.70 for advanced engine airflow characterization equipment. Research grade.
Millbrook Proventia CVS System
Millbrook CVS dilutes and measures dilute exhaust for IC engine certification testing. Under HTS 9031.80.80.70 as constant volume sampling equipment for engine emissions. CVSA compliant.
Mustang Dynamometer Chassis Dyno
Mustang chassis dyno measures whole vehicle/engine power, losses, and drivetrain efficiency. Classified HTS 9031.80.80.70 as IC engine testing equipment via vehicle simulation. All-wheel drive capable.
AVL DynoTest Engine Dynamometer
The AVL DynoTest is a chassis dynamometer used to measure torque, power output, and fuel efficiency of internal combustion engines in vehicles during performance testing. It falls under HTS 9031.80.80.70 as specialized equipment for testing engine characteristics like emissions and drivability, not covered elsewhere in Chapter 90. This classification applies to diagnostic machines for automotive engine testing.
Horiba STARS Emissions Analyzer
Horiba STARS is an automated system measuring exhaust emissions, opacity, and particulate matter from internal combustion engines. Classified under HTS 9031.80.80.70 for its role in engine characteristic testing beyond simple gas analysis. Used in labs for compliance with emission standards.
MAHLE EVO Engine Test Bench
MAHLE EVO is a comprehensive test bench evaluating combustion efficiency, thermal performance, and mechanical stress in IC engines. It qualifies for HTS 9031.80.80.70 as 'other' equipment dedicated to internal combustion engine characteristic testing. Essential for R&D and quality control.
MTS FlexTest Engine Load Simulator
MTS FlexTest simulates real-world driving loads to test engine durability, NVH (noise/vibration/harshness), and power curves. Falls under HTS 9031.80.80.70 for specialized IC engine performance characterization. Used in automotive development.
SuperFlow SF-902 Engine Flow Bench
SuperFlow SF-902 measures airflow, cylinder head flow, and intake/exhaust efficiency in IC engines. HTS 9031.80.80.70 applies to this specialized airflow testing equipment for engine performance optimization. Popular in performance racing.
Link Engine Management Lambda Meter
Link Lambda Meter precisely measures air/fuel ratio in real-time for IC engine tuning and diagnostics. Under HTS 9031.80.80.70 as equipment testing combustion characteristics. Wideband sensor system for dyno use.
Innovate Motorsports Wideband Kit
Innovate Wideband Kit monitors oxygen content for optimal engine stoichiometry testing. HTS 9031.80.80.70 classification for IC engine air-fuel characteristic measurement. Includes controller, sensor, and gauge.