Generac 19kW (Prime) / 20kW (Standby) (120 / 240V) Single-Phase Towable Diesel Generator with Isuzu Engine
Model: MLG20IF4|Item: bci5177289
Details
Features:
Generac Mobile MLG20IF4 Mobile Diesel Generator
- Designed and engineered for optimum performance and reliability
Marathon Electric Brushless Alternator - Single-Phase Output
- Prime - 19 kW / 19 kVA (79A at 240V)
- Standby - 20 kW / 20 kVA (83A at 240V)
Marathon SE350 Voltage Regulator
- Provides Voltage regulation of +/- 1% for cleaner power
2.2L Isuzu Liquid Cooled Diesel Engine (EPA Tier 4 Final)
- Fuel efficient design runs at 1800 RPM for extended engine life
- Rubber vibration dampers isolate engine/generator from frame for quieter operation
50-Gallon Polyethylene Internal Fuel Tank with 3.5" Fill Port
- Provides up to 47.6 hours of run time at 50% load
- Provides up to 23.8 hours of run time at 100% load
Automatic Low Oil / High Temperature Shutdown System
- Provides added safety to extend engine life
Easy To Use System Controls
- 4-Position keyed switch (Preheat, Off, Run and Start)
- Hour Meter makes it simple to monitor run time and maintenance intervals
- Emergency stop switch located on front panel
Internally Mounted Circuit Breakers with 100A Start Limit Breaker
- Provides added protection to all receptacles on genset
(2) 240V 30A (L6-30R) and (2) 240V 50A (Non-Nema 6369) Twistlock Outlets
- Individually breakered for added safety during operation
(2) 120V 20A GFCI Duplex Outlets
- Provides the convenience of powering 120V equipment
14-Gauge, Sound Attenuated Steel Enclosure - 70 dB(A) at 23'
- Powder-coated, UV and fade resistant paint for exterior/interior of enclosure
- Fully-lockable, insulated and baffled with stainless steel hardware
- Multi-lingual operating/safety decals; Manual holder with operating manual
58" Track Width, DOT Approved Tubular Steel Trailer with 2" Ball Hitch
- Transportation tie downs, Safety chains with spring-loaded hooks
- Tail, side, brake, and directional lights; Recessed rear lights
- 15" ST205/75R15 - 6 ply wheel/tire and Single wall polyethylene fenders
CUSTOMERS MUST UNLOAD FROM FREIGHT CARRIER
1-Year / Unlimited, 2-Year/ 2,000 Hour Limited Warranty
Overview:
- Product Category: Towable Generator
- Generator Features:
- Automatic Voltage Regulation
- Fuel Gauge
- Hour Meter
- Idle Control
- Low THD
- Battery Included
- Product Weight: 1471 lbs
- Length: 105"
- Width: 68"
- Height: 56"
Specifications:
- Voltage: 120, 240V
- Frequency: 60 Hz
- Running Wattage: 19,000 Watts
- Starting Wattage: 20,000 Watts
- Amperage: 167, 83A
- Decibel Rating @ 7m: 70 dbA
- Enclosure Material: Steel
Engine:
- Engine Brand: Isuzu
- Starting System: 12-Volt Key Start
- Cubic Capacity: 2200 CC
- Horsepower: 40.2 HP
- RPM: 1800 RPM
Product Assurance:
- EPA Compliant
- Warranty: 2 Year
Plug Types:

(2) CS6364/5 - 50-Amp Twistlock

(2) NEMA 5-20R - GFCI
Specifications
Dimensions and Measurements
Fuel Tank Capacity | 50 Gallons |
Height | 56 in. |
Length | 105 in. |
Product Weight | 1471 lbs. |
Width | 68 in. |
Dimensions and Measurements
Fuel Tank Capacity | 50 Gallons |
Height | 56 in. |
Length | 105 in. |
Product Weight | 1471 lbs. |
Width | 68 in. |
Included Components
Automatic Transfer Switch Included | No |
Battery Included | Yes |
Included Components
Automatic Transfer Switch Included | No |
Battery Included | Yes |
Characteristics and Features
Enclosure Material | Steel |
Engine Brand | Isuzu |
Fuel Tank Material | Plastic |
Generator Features | Automatic Voltage Regulation, Fuel Gauge, Hour Meter, Idle Control, Low THD |
Characteristics and Features
Enclosure Material | Steel |
Engine Brand | Isuzu |
Fuel Tank Material | Plastic |
Generator Features | Automatic Voltage Regulation, Fuel Gauge, Hour Meter, Idle Control, Low THD |
Electrical and Operational Information
Alternator | Brushless |
Amperage | 167, 83 |
Circuit Breaker Size | 100 |
Cubic Capacity | 2200 cc |
Diesel Fuel Consumption @ 50% Load | 1.05 GPH |
Electrical Phases | 1 |
Frequency | 60 Hertz |
Fuel Type | Diesel |
Horsepower | 40.2 |
Output Voltage | 120/240 VAC |
Plug Type | (2) CS6364/5 - 50-Amp Twistlock, (2) NEMA 5-20R - GFCI |
RPM | 1800 |
Run Time @ 50% Load | 47.6 Hours |
Running Wattage | 19000 |
Starting System | 12-Volt Key Start |
Starting Wattage | 20000 |
Voltage | 120, 240 |
Electrical and Operational Information
Alternator | Brushless |
Amperage | 167, 83 |
Circuit Breaker Size | 100 |
Cubic Capacity | 2200 cc |
Diesel Fuel Consumption @ 50% Load | 1.05 GPH |
Electrical Phases | 1 |
Frequency | 60 Hertz |
Fuel Type | Diesel |
Horsepower | 40.2 |
Output Voltage | 120/240 VAC |
Plug Type | (2) CS6364/5 - 50-Amp Twistlock, (2) NEMA 5-20R - GFCI |
RPM | 1800 |
Run Time @ 50% Load | 47.6 Hours |
Running Wattage | 19000 |
Starting System | 12-Volt Key Start |
Starting Wattage | 20000 |
Voltage | 120, 240 |
Warranty and Product Information
Approved for Commercial Use | Yes |
EPA Compliant | Yes |
Made in America | Yes |
Manufacturer Warranty | 2 Year |
Warranty and Product Information
Approved for Commercial Use | Yes |
EPA Compliant | Yes |
Made in America | Yes |
Manufacturer Warranty | 2 Year |

