Thursday, February 22, 2018

STAK-X20 Multi Fuel Generator
(Price: $14,995)

Based on the 50HP GM Vortec Series industrial grade engine. The STAK-X20 Multi Fuel Generator incorporates proven technology and design innovations that make it the most advanced power source available for backup power or continuous use.

The STAK-X series generators are without a doubt the best option available for converting gas produced by your STAK model gasifier into valuable electricity.

20KW Gasifier Generator General Motors 21,000 Watt Gasifier Powered Multi Fuel Generator - Whether you need to supply power to a neighborhood, a lodge, or just need standby emergency power, the STAK-X20 Multi Fuel Generator will get the job done day after day.

This multi fuel miracle operates at 1800 RPM and runs smooth and quiet with its residential-grade muffler, acoustic dampening air intake system and 4 point vibration mounts.

This unit features a General Motors, 4 cylinder engine, cast iron crankcase with replaceable wet-type cylinder liners, electronic governor, full flow lube oil filteration, brushless generator with AVR, liquid cooling, +/- 1% AC voltage regulation to protect your electronics, oil & water safety shutdowns, high volume air filter, steel skid base, muffler for quiet operation, turn-key start and hour meter.


Options Price
Sound Enclosure + $1,500
Two-Wire Auto Start + $375
200 Amp Automatic Transfer Switch + $1,295

Product Features

Generator Specifications

20KW Gasifier Generator
Automatic Voltage Regulation Standard
Is this unit suitable for powering sensitive electronic equipment like a laptop computer? Yes - 1% regulation from no load to full load.
Power Single-Phase ---
Maximum Output 22,000 watts
Continous Output 21,000 watts
Load Amperage at 120 volts ---
Maximum Load 183 Amps
Continous Load 175 Amps
Load Amperage at 240 volts ---
Maximum Load 91.7 Amps
Continous Load 87.5 Amps
Sound Level @ 23 ft(7 m) 74 dB(A)

Actual power produced is dependent on the fuel type, size, shape, and moisture percentage. Results will vary with biomass fuel, as it is not a consistant fuel source like gasoline or diesel. While the average power of the genset is 20KW, the actual power output may be slightly above or below 20KW.

Engine Specifications

Model General Motors
Displacement 3.0L
Type Overhead Valve
Horsepower 50 HP
Oil Capacity (w/ Oil Filter) Approx. 5 qts
RPM 1800
Cylinders 4
Cylinder Block Cast Iron w/ Cast Iron Sleeves
Bore & Stroke 4.00 x 3.60 in.
Cooling Liquid-Cooling, Pushor Fan
Coolant Capacity Approx. 8 Qts
Governor Electronic Governor
Fuel Wood gas / Producer Gas / Syngas, Natural Gas / Methane / Biogas, and Propane / LPG
Electric Fuel Pump 12 V - Standard
Starting System Electric

20KW Gasifier Generator

Control Panel

Control Panel
Turn-Key Start Standard
Hour Meter Standard
Water Temperature Shutdown Standard
Oil Pressure Shutdown Standard

Installation Data

Installation Data
Minimum Power Lead Size No. 2 AWG
No. Power Lead Conductors 4
Exhaust Outlet 2" OD Muffler Outlet
Coolant Recommendation Mixture: 1/2 Anti-Freeze & 1/2 Water
Radiator Dimensions
(L x D x H)
22-3/4" x 9-1/2" x 24"
Fuel Inlet
(Facing Radiator)
Exhaust Direction
(Facing Radiator)
Power Output Location (Facing Radiator) Back-Side
Service Points
(Facing Radiator)
Oil Fill: Left-Side
Oil Drain:Left-Side
Air Filter: Left-Side
Oil Filter: Left-Side
Battery Type 12 VDC - 575 CCA
Engine Oil Type SAE 15W-40

Maintenance Schedule

Maintenance Schedule
Replace Oil Filter 500 hours / 12 months
Replace Fuel Filter 500 hours / 12 months
Replace Air Filter 500 Hours / 12 months
Replace Engine Coolant 500 Hours / 12 months
Exercise Generator Under Load Twice each month
Change Oil 500 hours / 12 months


Engine Warranty 1 Year
Generator Warranty 1 Year


20KW Gasifier Generator
Length 50"
Width 24"
Height 34"
Dry weight 1295 lbs

Shipping information

NOTE: It may take 4-6 weeks before your unit arrives. Each unit is custom built to order.

Ship Weight: approx. 1,350 Lbs

Shipping price: Approx. $450. Please contact us for a more accurate estimate

Save harmless agreement


Because the use of the materials, instructions, and information being sold is beyond our control, the purchaser or user agrees, without reservation to save STAK Properties LLC, its agents, distributors, resellers, consultants, promoters, advertisers or employees harmless from any and all claims, demands, actions, debts, liabilities, judgments, costs and attorney’s fees arising out of, claimed on account of, or in any manner predicted upon loss of or damage to property, and injuries to or the death of any and all persons whatsoever, occurring in connection with or in any incidental to or arising out of the purchase, sale, viewing, transfer of information and/or use of any and all property or information

Please contact us with any questions that you may have by filling out the form below. We will be happy to discuss your project with you.

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