| Brand Name: | CCAT |
| Model Number: | 573-3183 |
| MOQ: | 1 Piece |
| Price: | Negotiable |
| Delivery Time: | 15-30 Working Days |
| Payment Terms: | T/T, L/C |
The 573-3183 hydraulic pump is a mining-grade gear pump engineered for the CCAT 6030 Hydraulic Shovel—a 300-ton class front-shovel configuration machine that represents the upper echelon of hydraulic excavator technology. The 6030 loads 100-180 ton rigid-frame mining trucks with 16-20 m³ buckets in 3-4 passes, operating 22-24 hours per day, 360+ days per year in the most demanding open-pit mining environments on earth. The 573-3183 pump is not a component that can fail without catastrophic operational consequences: a single 6030 shovel typically produces 3,500-4,500 tons per hour, and each hour of unplanned downtime costs the mine operator USD 15,000-25,000 in lost production. This pump is designed, manufactured, and validated to a reliability standard that reflects the financial magnitude of its operational context.
ProblemMining shovel hydraulic pump failures follow a catastrophic rather than progressive pattern that distinguishes them from conventional excavator pump failures. Because the 6030 operates at a load factor exceeding 90% for essentially all of its powered-on hours, the pump's internal clearances grow continuously from the first hour of operation—there is no "stable wear plateau" as seen in machines that alternate between full load and idle. The wear follows an approximately linear rate until internal clearance reaches a critical threshold (typically 0.15-0.18 mm of gear-to-housing clearance), at which point the wear rate transitions to exponential growth due to loss of hydrodynamic lubrication film. This transition from linear to exponential wear occurs rapidly—often within a single 12-hour shift—and the pump can progress from "acceptable performance" to "imminent seizure" in under 50 operating hours. The mine's condition monitoring team sees an oil analysis report showing copper levels that jumped from 25 ppm to 85 ppm between consecutive 250-hour samples, and the pump may already be beyond the point where a planned replacement during the next scheduled maintenance window is safe. The result is an unplanned stoppage costing USD 150,000-375,000 in lost production (6-15 hours of downtime at USD 25,000/hour) plus the cost of emergency labor, crane mobilization, and expedited parts freight.
CauseThe linear-to-exponential wear transition is driven by the mining shovel's unique combination of scale and duty cycle. At the 6030's displacement scale (approximately 250-350 cc/rev), the gear tooth tip speed at 2,000 RPM exceeds 12-15 meters per second—comparable to the piston speed in a medium-speed diesel engine. At these speeds, the hydrodynamic oil film between the gear tooth tip and housing bore is only 1-3 microns thick, and any interruption in this film—caused by a momentary pressure spike, a particle bridging the clearance gap, or a thermal distortion of the housing—results in instantaneous metal-to-metal contact. Each contact event removes a microscopic amount of material (typically 0.01-0.1 cubic microns per event), and with the pump rotating at 2,000 RPM generating approximately 20,000 tooth-tip-to-housing contacts per minute per tooth, the cumulative effect of even infrequent contact events is significant. The transition to exponential wear occurs when the cumulative clearance growth reaches a point where the hydrodynamic film can no longer form reliably at the operating conditions—the film collapses repeatedly, metal-to-metal contact becomes continuous rather than intermittent, and the wear rate accelerates by a factor of 10-50x within hours.
SolutionOur 573-3183 mining-grade replacement pump addresses the wear transition phenomenon through a combination of surface engineering and predictive wear modeling. The gear tooth tips are coated with a diamond-reinforced nickel composite applied via electroplating, creating a surface with Vickers hardness exceeding HV 1,200 and a coefficient of friction below 0.08 against the cast iron housing bore. This coating provides two protective mechanisms: first, its extreme hardness resists abrasive wear from any particles that enter the tooth-to-bore clearance; second, its low friction coefficient reduces the shear stress in the oil film at the critical tooth-tip-to-bore interface, effectively increasing the minimum film thickness by 20-30% for the same operating conditions. The housing bore is treated with a nitrocarburizing process (salt-bath ferritic nitrocarburizing at 580°C for 90 minutes) that produces a 15-20 micron compound layer of epsilon iron nitride (Fe₂₋₃N) with a surface hardness of HV 800-1,000. This compound layer is both harder (2-3x the housing base material hardness) and has a lower coefficient of friction than untreated cast iron. The combination of ultra-hard gear tip coating plus nitrocarburized housing bore creates a tribological system where both sliding surfaces are engineered for wear resistance, extending the linear-wear phase by approximately 50-70% compared to standard materials. Each pump ships with a wear-life prediction chart based on the customer's specific operating parameters (oil type, cleanliness target, ambient temperature range, production hours per year), enabling the mine's maintenance planners to schedule a replacement during a planned shutdown window rather than reacting to an unplanned failure.
Key Features| Parameter | Specification |
|---|---|
| Part Number | 573-3183 |
| Pump Type | External Gear Pump (300-Ton Mining Shovel-Spec) |
| Displacement | Refer to OEM Specification (Approx. 250-350 cc/rev) |
| Continuous Operating Pressure | 3,500 PSI (241 bar) - 24/7 Duty Rated |
| Peak Intermittent Pressure | 5,000 PSI (345 bar) for < 3 Seconds |
| Rated Speed Range | 500-2,100 RPM |
| Gear Tip Coating | Diamond-Reinforced Nickel Composite, HV 1,200+, Friction Coeff. < 0.08 |
| Housing Bore Treatment | Salt-Bath Nitrocarburized, 15-20 μm Fe₂₋₃N Layer, HV 800-1,000 |
| Housing Material | Cast Alloy Steel (ASTM A148 Grade 90/60 Equivalent) |
| Gear Material | Vacuum-Arc-Remelted (VAR) 20CrMnTi, Triple Cryo-Treated |
| Shaft Seal Configuration | Triple-Redundant: FKM + PTFE Excluder + Labyrinth Slinger |
| Validation Test | 120-Hour Continuous Endurance, < 5% Efficiency Degradation Criterion |
| Net Weight | Approx. 85-110 kg |
| Certification | ISO 9001:2015, Mining-Duty 120-Hour Endurance Certificate, Customized Wear-Life Projection Included |
The 573-3183 pump is purpose-engineered for the CCAT 6030 Hydraulic Shovel in these mining configurations:
Both configurations demand the same pump performance: sustained peak flow during the dig portion of the cycle (approximately 60% of the 25-30 second cycle time) and rapid flow reversal during the swing-and-dump portion. The pump must withstand this cyclic loading pattern repeated approximately 120-140 times per hour, 22-24 hours per day, for a target component life of 12,000-15,000 operating hours before scheduled replacement.
Selection GuideEach 573-3183 pump is crated in a 25 mm marine-grade plywood case with steel edge reinforcements and CNC-machined high-density polyurethane foam providing 100% surface contact support for the 85-110 kg assembly. The pump is vacuum-sealed in 300-micron multi-layer VCI barrier film with dual humidity indicators, desiccant pouches, and oxygen-absorber sachets for long-term storage protection. Shock-watch impact indicators (25G threshold) and tip-n-tell tilt indicators are affixed to the crate exterior for transport quality verification. All ports are sealed with heavy-duty tamper-evident caps containing color-change desiccant indicators. Documentation package includes: serial-numbered quality certificate, 120-hour mining-duty endurance test report with efficiency measurements at 4-hour intervals, CMM dimensional verification, customized wear-life projection chart for the customer's specific mine, and comprehensive installation and commissioning manual. Five-year digital traceability with 24/7 mining support hotline. Air-freight-capable packaging dimensions available for breakdown emergency shipments.