OTC

OTC 4285 Digital Hydraulic Flow Test Kit, 100 GPM

SKU: 4285

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OTC 4285 Digital Hydraulic Flow Test Kit, 100 GPM

The OTC 4285 Digital Hydraulic Flow Test Kit is a heavy-duty hydraulic flow meter system designed for remote testing and troubleshooting of hydraulic oil circuits. With precision components, digital readout, and safety features, this kit is ideal for industrial and agricultural machinery. It measures flows between 2.5 to 100 GPM with high accuracy, handles pressures up to 6,000 psi, and is built to perform under demanding conditions. Perfect for maintenance shops, service trucks, and field diagnostics, it helps ensure hydraulic systems are operating within specification and pinpoints issues related to flow restrictions, pump output, valve wear, or system leaks.

OTC 4285 Specifications

Specification Details
Flow Range 2.5 to 100 GPM (gallons per minute)
Flow Accuracy ± 1% of indicated value
Pressure Rating Up to 6,000 psi
Pressure Accuracy ± 1.6% Full Scale
Temperature Range Up to 250 °F
Ports 1-5/16-12 UN #16 SAE ORB
Weight 17 lb
Dimensions (L × W × H) 12.99 × 12.4 × 10.25 in
Materials / Construction Durable steel case; fluid-filled and electronic gauges; safety burst-disc protection; steel flow-block with loading valve; hose and cable set included
Power Source 1 × 9V battery (included)
Flow Direction Capability Bi-directional flow reading (reads flow in both directions, pressure on high side)
Burst / Overpressure Protection Inner pass system with extra burst-discs to prevent fluid spills under overpressure


OTC 4285 Cross References

Manufacturer/Brand Part Number / Model
OTC 4285
OTC Tools 4285 Digital Hydraulic Flow Test Kit, 100 GPM
FleetPride OTC-4285
Zoro OTC 4285 / G7216977
Summit Racing OTC-4285


Key Features & Benefits

  • High precision measurements to locate flow inefficiencies, blockages, or pump degradation.
  • Durable construction and steel housing protect components in rugged environments.
  • Safety features like burst discs reduce risk of fluid spills during overpressure.
  • Bi-directional flow capability increases versatility in testing different circuit configurations.
  • Included hose, cable, and a loading valve save you from buying accessories separately.
  • Compact and robust design suitable for both shop and field work.

Typical Use Cases: Diagnostics on agricultural tractors, excavators, loaders, cranes, forestry equipment, hydraulic presses, hydraulic pumps and motors; verifying system flow before component replacement; confirming system performance under load.

Please verify fitment, compatibility, and safety requirements before purchase and installation. Always follow manufacturers’ hydraulic specifications, sealing standards, and safety practices.

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