JD40-03 product details and specifications:

General Overview 

• Model: JD40-03 

• Application: Emergency Stationary Standby 

• Power Rating: 40 kWe Standby 

• Fuel: Diesel 

• Frequency: 60 Hz 

• Speed: 1800 RPM 

• UL 2200 Listed: Yes 

• CSA Approved: Yes 

• EPA Certification: Tier 3 

• Paint Color: White 

Voltage & Electrical Ratings 

• 1-Phase Configuration: 120/240V | 40 kWe | 167 A | PF 1.0 | UCI224D | 12 Lead DD 

• 3-Phase Configuration: 277/480V | 40 kWe | 60 A | PF 0.8 | UCI224C | 12 Lead WYE 

• Also available at: 208V 3Ph (139A), 240V 3Ph (120A), 600V 3Ph (48A) 

• Temperature Rise: 125°C Standby / 40°C Ambient 

Engine 

• Manufacturer: John Deere 

• Model: 4045TF280 

• Type: 4-Cycle, Turbocharged 

• Cylinder Arrangement: 4 Cylinder Inline 

• Displacement: 275 cu. in. (4.50 L) 

• Bore x Stroke: 4.19 in. x 5.00 in. (10.6 cm x 12.7 cm) 

• Compression Ratio: 19.0:1 

• Rated RPM: 1800 

• Max HP Standby: 75 HP (56 kWm) 

• Governor: Electronic Isochronous 

• EPA Certified: Tier 3 

• 12V Battery System with Rack and Cables 

• Dry Single Stage Air Cleaner 

• Critical Grade CPJ Series Silencer Mounted to Engine 

• Flexible Fuel Connector 

• Blower Fan & Fan Drive; Starter & Alternator; Oil Pump & Filter 

• Oil Drain Extension with Valve; plumbed to bulkhead fitting in base 

Exhaust & Cooling System 

• Exhaust Gas Temperature (Stack): 945°F (507°C) 

• Exhaust Gas Volume at Stack Temp: 448 CFM (12.7 m³/min) 

• Maximum Allowable Exhaust Restriction: 30.0 in. H2O (7.50 kPa) 

• Cooling: Unit Mounted Radiator — 50°C Ambient Capacity 

• Water Pump Flow Rate: 38.0 GPM (144 lit/min) 

• Heat Rejection to Coolant: 1,821 BTUM (31.9 kW) 

• Heat Radiated to Ambient: 842 BTUM (14.7 kW) 

• Aspirating Air Flow: 180 CFM (5.09 m³/min) 

• Air Flow Required for Rad. Cooled Unit: 4,760 CFM (135 m³/min) 

Fuel Consumption & Fluid Capacities 

• Fuel Consumption at 100% Load: 3.50 gal/hr (13.2 lit/hr) 

• Fuel Consumption at 75% Load: 2.76 gal/hr (10.4 lit/hr) 

• Fuel Consumption at 50% Load: 1.99 gal/hr (7.53 lit/hr) 

• Total Oil System Capacity: 3.88 gal (14.7 lit) 

• Engine Jacket Water Capacity: 2.25 gal (8.52 lit) 

• System Coolant Capacity: 5.38 gal (20.4 lit) 

Alternator 

• Model: Stamford UCI224C 

• Type: Brushless, Single Bearing 

• Winding Leads: 12 Lead 

• Pole Count: 4 Pole, Rotating Field 

• Insulation Class: Class H 

• Winding Pitch: Two Thirds (2/3) 

• Stator Winding: Double Layer Concentric 

• Voltage Regulation: ±1% 

• Maximum Harmonic Content: 5% 

• Temperature Rise: 125°C Standby / 40°C Ambient 

• 100% of Rated Load — One Step 

• Standards: NEMA MG 1, IEEE, ANSI, BS5000, CSA C22.2, IEC 34 

• Voltage Regulator: Stamford AS440 Automatic Voltage Regulator 

Control Panel — Blue Star DCP7310 

• Microprocessor-based digital auto-start control panel 

• Mounted facing left from generator end (unless specified otherwise) 

• NFPA 110 Level 1 Compatible 

• Digital metering — kW, kVA, kVAr, frequency, voltage, amperage 

• Engine protection: Low Oil Pressure, High Coolant Temp, Overspeed, Overcrank shutdowns 

• Emergency Stop Pushbutton; Audible Alarm Buzzer with Silencing Switch 

• CAN Bus (J1939) ECU Communications 

• 8 Programmable Contact Inputs; 10 Contact Outputs 

• RS485 Communicator Interface; Windows-based software 

• IP65 rating (with supplied gasket) 

• cULus Listed, CE Approved 

Enclosure 

• Level 2 — Weather Proof with 1.5" Polydamp Type D Acoustical Foam 

• Powder Coated 14 Gauge Steel 

• 200 MPH Wind Rated — Certified per IBC 2021 and ASCE/SEI 7-16 

• Pitched Roof for Increased Structural Integrity and Improved Watershed 

• Punched Intake with Baffle and Punched Exhaust Openings 

• Keyed Alike Lockable Doors with Draw Down Latches and Stainless Steel Component Hinges 

• Formed Steel Base with Mounting and Lifting Holes 

• Vibration Isolation Mounts included 

• Sound Level (Level 2): 68 dBA No Load / 70 dBA Full Load (at 23 ft) 

Dimensions & Weight 

• OPU: 80 x 38 x 58 in. — 2,100 lbs. 

• Level 1 Enclosure: 90 x 38 x 60 in. — 2,575 lbs. 

• Level 2 Enclosure: 90 x 38 x 60 in. — 2,625 lbs. 

• Level 3 Enclosure: 120 x 38 x 60 in. — 2,775 lbs. 

• Note: All dimensions in inches. Allow 6–12 in. for exhaust stack height. 

Sub-Base Fuel Tanks 

• UL 142 Listed — Double Wall Secondary Containment 

• 24 Hr / 120 Gal: L = 80 in., H = 80 in., W = 38 in. 

• 48 Hr / 240 Gal: L = 80 in., H = 96 in., W = 38 in. 

• 72 Hr / 360 Gal: L = 108 in., H = 96 in., W = 38 in. 

• Includes: Supply & Return Connections, Fuel Level Gauge, Fuel Leak Switch, Fill & Vent Plumbing 

• Electrical Stub-Up Area: 6 x 6 in. 

Certifications & Compliance 

• UL 2200 & cUL Listed 

• CSA Certified 

• EPA Tier 3 Certified 

• Seismic Certified to IBC 2021 

• NFPA 110 / CSA C282 Compliant 

• NFPA 110 Level 1 Compatible (DCP7310 panel) 

Warranty & Testing 

• 2 Year / 2000 Hour Standby Limited Warranty 

• Standard factory load test included: alarm/shutdown verification, voltage settings, block loading to rated kWe and PF 

• Lead Time: 25 Weeks (contingent on component availability) 

product specifications:

product related documents:

JD40-03 Engine Data Sheet 12-5-23.pdf

JD40-03_SpecSheet.pdf

2026 EPA Cert 350ham-tjdxl04-5141-007 JD40-03, JD50-03, JD60-02.pdf

JD40-03.pdf

JD40-03_Drawings.pdf