Rebuilt 3512C Genset ( Set up for rig prime power )

Rebuilt CAT 3512C Genset (Rig Prime Power) with KATO Alternator – Specs

Engine: CAT 3512C

• Type: V-12, 4-Stroke Diesel Engine

• Aspiration: Turbocharged-Aftercooled

• Displacement: 51.8 liters (3161 in³)

• Bore x Stroke: 170 mm x 190 mm (6.7 in x 7.5 in)

• Governor: Electronic (ADEM A3/A4)

• RPM: 1800

• Fuel Type: Diesel

• Compression Ratio: 14.7:1

• Cooling System: Radiator or Remote (motor-driven fans for rig duty)

• Fuel Consumption @ 100% Load: ~75–78 gal/hr (varies by tuning)

• Control Panel: EMCP 3.3 or custom rig panel

Prime Power Rating

• Continuous Power Output: 1100–1500 ekW (depending on alternator and tuning)

• Voltage: 480V / 600V / 4160V (rig configuration dependent)

• Frequency: 60 Hz

• Power Factor: 0.8

Alternator: KATO Engineering (Brushless, Synchronous)

• Frame Size: Commonly 6P6-2300 or 6P6-2500 (verify specific tag)

• Insulation Class: H

• Temperature Rise: 105°C / 40°C ambient (Class F or H rise)

• Excitation: PMG (Preferred for rig service)

• Voltage Regulation: ±0.25% (digital AVR)

• Enclosure: Drip Proof (DP), IP23 standard or optional TEFC

• Oversized for Motor Starting: Up to 300% short-term overload (ideal for mud pumps or draw works)

Dimensions (Skid-Mounted Genset)

• Length: ~6.2 – 6.8 m (245 – 270 in)

• Width: ~2.4 – 2.6 m (94 – 102 in)

• Height: ~2.8 – 3.1 m (110 – 122 in)

• Weight (Dry): ~20,000 kg (44,000 lbs)
  (Varies depending on alternator size and radiator configuration)

Rig-Ready Features

• Skid-mount with lifting lugs and fork pockets

• External radiator with hydraulic or electric-driven fans

• Remote start/stop interface to rig control room

• Heavy-duty air filtration for harsh drilling environments

• Upgraded oil and fuel filtration

• Optional:

  • Cold weather kit (block heater, jacket water heater)

  • Dual breakers or paralleling switchgear setup

  • Overspeed protection, vibration sensors, exhaust spark arrestor