Product Description

Sutorbilt 4L Blower

The Sutorbilt 4L Positive Displacement Blower is a model in Gardner Denver’s Sutorbilt Legend series.  The current series is the “S” series, so new 4L models may be referred to as 4LS blowers.  Older series include the 4LR, 4LP, 4LL, 4LF and 4LB blowers.

pdblowers is a distributor and agent for Roots, the largest manufacturer of positive displacement blowers.  We offer repair and replacement services for the Sutorbilt 4L blower. Click here to learn more about Sutorbilt 4L blower repair.

The Roots equivalent for a Sutorbilt Legend 4L is typically the Roots URAI 47, although it is always recommended to check your specific performance requirements when selecting a blower. A basic comparison of specs is below; for more information or to buy online, click here for the Roots 47 URAI blower.

Sutorbilt Legend 4L vs Roots URAI 47

Sutorbilt Legend 4L Roots URAI 47
Flow Range: to 579 CFM to 523 CFM
Max Δ Pressure: 7 psi 7 psi
Max Δ Vacuum: 14″ Hg 15″ Hg
Maximum RPM: 3600 3600
Minimum RPM: 955 848
Max ΔT: 160˚F 225˚F
Connection: 3″ FPT 3″ FPT
Shaft Dia.: 0.875″ 0.875″
Drive End Lubrication: Grease Grease
Gear End Lubrication: Oil Oil
Required Oil for Gear End (Horizontal Unit): 24 ounces 22.8 ounces
Required Oil for Gear End (Vertical Unit): 14 ounces 12.7 ounces
Recommended Oil: Aeon PD Roots Synthetic
Unit Weight: 182 lb 128 lb
Mounting feet: Universal Universal
Configurations: LHC, RHC, BHC, THC LHC, RHC, BHC, THC

*Mounting feet – Universal mounting feet allow the blower to be mounted in a horizontal or vertical position
**Configurations – This refers to the placement of the driveshaft and orientation of the blower. Click here for more information.

Sutorbilt Model Numbers

Model numbers consist of 7 characters and will be stamped on a nameplate on the blower.  The first four characters will be the same for all of the 4L blower models. The last three characters will indicate the configuration, series and basic options for the specific blower.

The current standard 4L configurations are: GACLCSA, GACLDSA, GACLASA, GACLBSA

Sutorbilt Model Numbers

Previous standard model numbers may include: GACLARA, GACLBRA, GACLCRA, GACLDRA, GACLAPA, GACLBPA, GACLCPA, GACLDPA, GACLALA, GACLBLA, GACLCLA, GACLDLA, GACLAFA, GACLBFA, GACLCFA, GACLDFA, GACLABA, GACLBBA, GACLCBA, GACLDBA