APD-EPAK11T4 product details and specifications:

General Characteristics 

• Model Name: APD-EPAK11T4 

• Frequency: 60 Hz 

• Fuel Type: Diesel 

• Engine Make and Model: Kubota D1305-E4BG (Tier-4) 

• Alternator Make and Model: Stamford PI044F 

• Control Panel Model: DSE 7320 

Power Ratings (60 Hz) 

• 240/120V, Single Phase, PF 1.0: Standby 10.2 kW / 10.2 kVA (42A), Prime 9.1 kW / 9.1 kVA (38A) 

• 208/120V, Three Phase, PF 0.8: Standby 10.7 kW / 13.4 kVA (37A), Prime 9.6 kW / 12 kVA (33A) 

• 480/277V, Three Phase, PF 0.8: Standby 10.7 kW / 13.4 kVA (16A), Prime 9.6 kW / 12 kVA (14A) 

Engine Specifications 

• Engine: Kubota 

• Engine Model: D1305-E4BG 

• Number of Cylinders: 3 cylinders, in-line 

• Net Stand-by Power: 13.1 kW (17.6 HP) @ 1800 rpm 

• Net Continuous Power: 11.6 kW (15.6 HP) @ 1800 rpm 

• Aspiration & Cooling: Naturally Aspirated 

• Total Displacement: 76.95 in³ (1.261 L) 

• Bore: 3.07 in (78 mm) 

• Stroke: 3.46 in (88 mm) 

• Compression Ratio: 24:1 

• Governor Type: All speed mechanical governor + Electronic governor 

• Rated RPM: 1800 

• Rotation: Anti-clockwise viewed on flywheel 

Engine Electrical System 

• Charging Alternator: 12V 

• Alternator Rating: 30 amp 

• Starter Motor Power: 1.0 kW 

• Starter Motor Rated Voltage: 12V DC 

• Battery Quantity x Rating: 1 x 55 Ah 

Fuel System 

• Type of Injection: Throttle type 

• Fuel Injection Pump: In-line pump 

• Fuel Injection Pressure: 13.7 MPa (1990 psi) 

• Fuel Filter & Water Separator: Available 

Fuel Consumption 

• 100% Load (Standby): 1.03 gal/hr 

Exhaust System 

• Max. Back Pressure: 7.1 kPa 

Cooling System 

• Coolant Capacity: 7 L (1.85 gal) approx. 

• Air Filter: Paper Element 

Lubrication System 

• Oil Capacity: 5.7 L (1.5 gal) 

• Oil Filter: Spin on, replaceable 

Alternator Characteristics 

• Manufacturer: Stamford 

• Model: PI044F - 60Hz 

• Design: 4 Pole, drip proof rotating field 

• Exciter Type: Self Excited 

• Stator: 2/3 winding pitch 

• Rotor: Single bearing, flexible disc 

• Leads: 12 

• Insulation: Class H 

• Temp. Rise @ 40°C Ambient: 125°C Prime 

• Max. Over-speed: 2250 rev/min 

• Voltage Regulator: AS480 

Optional 4 Position VSS (kW Rating at 1800rpm/60Hz) 

• 480/277V - 3ph - 0.8pf: 16 kW 

• 208/120V - 3ph - 0.8pf: 14 kW 

• 240/120V - 1ph - 1pf: 12 kW 

Genset Canopy Dimensions 

• Length: 77.4 in 

• Width: 37.63 in 

• Height: 52.52 in 

• Dry Weight: 1,720 lbs. 

• Fuel Tank Capacity: 29.06 gal 

• Genset Sound Level (dBA@23ft): TBD 

Base-Frame Enclosure 

• Complete gen-set mounted on a heavy duty base frame with integral double wall fuel tank 

• Anti-vibration isolators installed between engine/alternator supports and base frame 

• Enclosure parts designed with module principles, without welding 

• Four doors on each side for easy serviceability, plus back door for control system 

• Exhaust silencer coated against outdoor conditions and internally mounted within enclosure 

• Exhaust pipe thermally insulated on engine compartment 

• All metal enclosure parts painted with electrostatic polyester powder paint 

• Fuel filling cap within enclosure, accessible through lockable door 

• Emergency stop switch externally mounted on enclosure 

• Components installed in sheet steel enclosure 

• Phosphate chemical pre-coating of steel for corrosion resistant surface 

• Polyester composite powder topcoat for high gloss, durable finish 

• Lockable hinged panel door for easy component access 

Control Panel 

• Control Module: DSE 

• Control Module Model: DSE 7320 

• Communication Ports: MODBUS 

• UL recognized, NFPA 110 Level 1 compatible 

• LCD text display, key menu navigation, front panel editing 

• Off / Manual / Auto mode switch 

• Two wire starting/stopping in Auto mode 

• Engine exerciser 

• IP65 front panel rating with supplied sealing gasket 

• Configurable 8 inputs, 6 analogue inputs, 6 DC outputs with expansion capability 

• Real time clock for accurate event logging 

• Fully configurable via DSE Configuration Suite PC software (license free) 

• Remote SCADA monitoring and BMS integration features 

Instruments – Engine 

• Engine speed 

• Oil pressure 

• Coolant temperature 

• Run time / Battery volts 

• Engine maintenance due 

Instruments – Generator 

• Voltage (L-L, L-N) 

• Current (L1-L2-L3) 

• Frequency 

• Earth current 

• kW 

• Power factor (Pf) 

• kVAr 

• kWh, kVAh, kVArh 

• Phase sequence 

Instruments – Mains 

• Voltage (L-L, L-N) 

• Frequency 

Pre-Alarms 

• Low oil pressure 

• High engine temperature 

• Low engine temperature 

• Over/Under speed 

• Under/over generator frequency 

• Under/over generator voltage 

• ECU warning 

Electrical Trip 

• Earth fault 

• kW over load 

• Generator over current 

• Negative phase sequence 

Warnings 

• Charge failure 

• Battery under voltage 

• Fail to stop 

• Low fuel level (opt.) 

• kW over load 

• Negative phase sequence 

• Loss of speed signal 

Shut Downs 

• Fail to start 

• Emergency stop 

• Low oil pressure 

• High engine temperature 

• Low coolant level 

• Over/Under speed 

• Under/over generator frequency 

• Under/over generator voltage 

• Oil pressure sensor open 

• Phase rotation 

Standards 

• Electrical Safety / EMC compatibility 

• BS EN 60950 Electrical business equipment 

• BS EN 61000-6-2 EMC immunity standard 

• BS EN 61000-6-4 EMC emission standard 

Standard Features & Accessories 

• EPA Certified Tier 4 - Final engine for Mobile / Prime Applications 

• Designed and manufactured in an ISO 9001:2015 certified facility 

• Heavy duty industrial diesel engine for low emission, reliable power, fuel efficiency 

• Non-proprietary control system with integrated control, protection, and metering 

• Single source responsibility for generator set & accessories 

• Prototype tested and production tested 

• Stamford alternator meets BS EN 60034 requirements 

• Heavy duty base frame with integral pad vibration isolators 

• Trailer w/spare tire and tool box 

• Sound Attenuated Steel Enclosure 

• Heavy Duty Steel Base-frame 

• Exhaust system with DOC + SCR 

• Flex fuel lines 

• Oil drain valve & extension 

• Convenience panel 

• Voltage selector switch – 3 position 

• Emergency stop switch 

• Battery, battery rack & cables 

• Battery charger (Input: 196-264V, Output: 27.6V 5A or 13.8V 5A) 

• Main line CB 

• Jacket water heater (120 VAC, 1000 W) 

• Operations manual 

• 1 Year / 2,000 hours limited warranty 

Convenience Panel Accessories 

• (2) Two 20A, 120V GFCI receptacles and breakers 

• (3) Three 50A, 240V twist lock receptacles and breakers 

• 5-15A, 125V inlet receptacles for battery charger and water heater 

• Two wire remote start station 

Circuit Breaker 

• 250 Amp capacity main line circuit breaker 

• Shunt trip controller by generator set control 

Voltage Selector Switch 

• Three positions at 480/277V, 208/120V - 3ph & 240/120V - 1ph 

• Product of Salzer or Kraus & Naimer 

Trailer 

• DOT approved 10,000 lbs heavy duty dual axle trailer 

• Spring axles w/electric brakes 

• Breakaway kit with charger 

• 5,000 lbs front jack and rear stabilizer jacks 

• 7 pin trailer plug 

• Tool box and spare tire 

Optional Accessories 

• Upsized alternator 

• PMG excitation 

• Alternator anti-condensation heater 

• 4 position VSS 

• Fuel level monitoring on controller & high fuel alarm 

• Fuel line check valve 

• Oil temperature gauge 

• Oil heater 

• Battery charger 10 Amp 

• Battery heater blanket 

• Main line CB (100% rated) 

• Remote monitoring and control 

• Remote annunciator 

Options (Control) 

• High oil temperature shut down 

• Low fuel level shut down 

• Low fuel level alarm 

• High fuel level alarm 

• Expansion LED module (2548) 

• Expansion relay module (2157) 

• Expansion input module (2130) 

product specifications:

product related documents:

APD-EPAK11T4.pdf