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NEW READY TO SHIP NOW 2500 HP Frac Pump Unit w/ 3512C Diesel Engine 1.0 General Unit Specification This technical specification covers the construction and design requirements for a 2500 HP Trailer-Mounted Frac Pumping unit capable of performing general pressure pumping well service operations in ambient conditions of -40°F (-40°C) to 120 °F (49 °C) with optional cold weather assistance gear installed. All specifications as listed in this revision are subject to change or clarification as required by the manufacturer or as requested by the customer. 1.1 Unit Operational Limits The unit as specified with Gardner Denver 2500Q pumps will be capable of pumping the following pressures and rates: Maximum working pressure: 12,400 PSI Maximum working rate: 21.6 BPM 1.2 Unit Dimensions & Permitting The unit dimensions (excluding the customer supplied tractor) will be within: Length: 44’-8” (13.6 meters) Width: 8’-6” (2.6 meters) Height: 13’-2” (4.0 meters) Weight: 75,000 lbs (34,000 kgs) The unit/tractor combination will comply with all US & TX DOT regulations for unit dimensions, but due to the robust design of the unit, will exceed the standard 80,000 lbs vehicular weight allowed when combined with the customer supplied tractor. Axle loading will be properly distributed to allow overweight/oversize permitting in the continental United States (should it be necessary) and compliance with US Federal Bridge Law. The unit systems are detailed as follows: 2.0 Equipment Systems 2.1 Trailer Specifications The trailer will be a heavy duty, mobile, multi-purpose platform that will include the following features and compliances: Single drop trailer frame US and TX DOT Compliant for On-Road Transportation A36 Steel Beam/Frame Construction (at minimum) w/ frame members built on 35” centers Heavy duty 2” King Pin with 3/8” Bolster Plate mounted to receive a 52” tall fifth-wheel hitch Standard tractor air “glad-hands” and electrical connectors accessible at the front of trailer Sealed electrical wiring and protected air-lines DOT certified brake airlines Three Axle spread w/ 25,000 lb rated axles and 25,000 lb rated Monopivot Air-Ride Suspensions 16 ½” x 7” S Cam Brakes w/ ABS system installed on rear axle Twelve (12) 11R22.5 Tires Twelve (12) 8.25 x 22.5, 10-Hole, Hub Piloted Aluminum Wheels Holland Mark V Heavy Duty Landing Gear, manual 2-speed gearbox crank DOT compliant vehicle lighting and conspicuity marking Heavy duty Rubber Mud-Flaps installed on rear axle spread Heavy Duty diamond tread plate steel fenders No-slip fiberglass gating work platform on back of trailer frame 2.2 Power Units/Drivetrains 2.2.1 Primary Drive Engine Installed on the trailer frame will be one (1) 3512C Caterpillar Tier 2 Diesel Engine rated at 2500 BHP @ 1900 RPM. It will be mounted to allow ease of access to oil-fill ports, filters, and service points. This engine will be accessorized and installed to drive the down-hole pumping process as follows: 24 VDC ECM and electronics 24 VDC 75 Amp Alternator SAE 0 Flywheel housing Hydraulic Starter powered by customer supplied tractor mounted wet-kit Spin-on Fuel Filtration System Spin-on Water Filtration System Spin-on Lube Oil Filtration System CAT standard safety derates included in Engine Calibration Heavy duty air cleaner assembly Dual carbon steel mufflers and carbon steel rain caps Heavy duty muffler brackets suitable for rough terrain Stainless steel flex connector from turbo exhaust connection to muffler intake Integral shell and tube transmission cooler tied into Jacket Water system TH55-E70 Caterpillar Transmission mounted to flywheel housing with the following gear ratios: 1st Gear - 6.25 : 1 2nd Gear - 4.59 : 1 3rd Gear - 3.38 : 1 4th Gear - 2.48 : 1 5th Gear - 1.83 : 1 6th Gear - 1.36 : 1 7th Gear- 1.00 : 1 Reverse - (Blocked) Spin-on Transmission Oil Filtration System Heavy duty GWB 390.65 output connection Output brake option built into transmission “Wishbone” style transmission cradle mount for proper weight distribution One-piece heavy duty GWB-type driveshaft assembly with cover and steel guard rings Horizontal 3-point mount Radiator/Cooling Assembly with sections for the following: Engine Jacket Water System SCAC (Separate Circuit After Cooler) System Hydraulics Cooling Core (Air to Oil) Power End Lube Cooling Core (Air to Oil) Fuel Cooler Core (Air to Fuel) Ladder for top fill access 2.2.2 Fuel System This unit will be equipped with a diesel fuel storage and distribution system with the following specifications: Two (2) 200 Gallon Fuel Tanks configured as follows: Polished aluminum construction 26” diameter cylindrical build w/ capped ends Fuel cooling core included in fuel return lines 1-1/2” Drain plugs on tank ends 2” equalizing crossover between tanks Tank breather fittings Filtration screen installed in fill necks Fuel level sending unit Tank fill necks accessible from the ground for filling Tanks “soft” mounted to unit via rubber lined straps and cradles 2.2.3 Power Take-Offs The following documentation will be provided with each unit: One bound paper copy of the Unit Operations and Service Manual One electronic copy (on CD) of the Unit Operations and Service Manual 3.5 Unit Testing The unit will be tested according to the Standard Manufacturing test plan

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