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3.6kW Cummins Onan Generator (36KYFR-4856)2-4kVA Generators
3.6kW Cummins Onan Generator (36KYFR-4856)
Enquire for Competitive Price -
3.75kVA Westinghouse Digital Inverter Electric Petrol Generator (iGen3750s)2-4kVA Generators
3.75kVA Westinghouse Digital Inverter Electric Petrol Generator (iGen3750s)
Enquire for Competitive Price -
3.8kVA Maxwatt Digital Inverter Electric Start Generator (MX3800iSE)2-4kVA Generators
3.8kVA Maxwatt Digital Inverter Electric Start Generator (MX3800iSE)
- Regular price
- $1,199.00
- Sale price
- $1,199.00
- Regular price
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$1,499.00
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4kVA Kompak Inverter Petrol Generator (KGG40Ei)2-4kVA Generators
4kVA Kompak Inverter Petrol Generator (KGG40Ei)
- Regular price
- $1,299.00
- Sale price
- $1,299.00
- Regular price
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$1,499.00
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4kVA Maxwatt Digital Inverter Generator (MX3200i)2-4kVA Generators
4kVA Maxwatt Digital Inverter Generator (MX3200i)
- Regular price
- $850.00
- Sale price
- $850.00
- Regular price
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$999.00
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4kVA Maxwatt Digital Inverter Open Generator (MX4000IO)2-4kVA Generators
4kVA Maxwatt Digital Inverter Open Generator (MX4000IO)
- Regular price
- $850.00
- Sale price
- $850.00
- Regular price
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$899.00
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4kVA USR Petrol Inverter RV Generator (TEC40i)2-4kVA Generators
4kVA USR Petrol Inverter RV Generator (TEC40i)
- Regular price
- $5,280.00
- Sale price
- $5,280.00
- Regular price
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$6,299.00
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4kVA USR Honda Petrol Marine PMG Generator (JEC40G)2-4kVA Generators
4kVA USR Honda Petrol Marine PMG Generator (JEC40G)
- Regular price
- $15,500.00
- Sale price
- $15,500.00
- Regular price
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How to find what power generator you need
The Macfarlane Generators Power Calculator helps you estimate the generator size required for your application by calculating power demand, motor starting loads, and electrical conversions such as kVA, kW, amps, and horsepower. Designed for homeowners, tradies, and industrial operators, it provides practical tools and power consumption guides to help you select the right generator with confidence. Whether you're planning backup power, construction site equipment, or large-scale operations, the calculator simplifies generator sizing and power planning.