Udor B Series Pumps

9-1/2″ L x 8-1/2″ W x 4-1/2″ H (Solid Shaft Model)
1/2″ Inlet 3/8″ Outlet
Brass Manifold
Solid Ceramic Plungers
Heat Treated Crankshaft
Stainless Steel Check Valves
Stainless Steel Piston Guides
Direct Drive

Electric Flange Models
Industrial Quality Tapered Roller Bearings
Replaceable Teflon Coated Body Guides
Max. Fluid Temp. 160°F
High Strength Aluminum Alloy Connecting Rods
Heavy Duty Flat Base High Pressure Seals
15.4 oz. Capacity Vented Oil Bath Crank Case

Solid Shaft Models

24 mm Keyed, Solid Shaft

	Model	Gpm	Psi	Power Requirements	Seal Kit	Valve Kit	Weight	Price
1450 RPM	BC 13/20-S	3.4	2900	6.7 HP Electric	UD-109 CALL	UD-2 $91.84	20 lbs.	$564.09
	BC 15/20-S	4.0	2900	7.7 HP Electric	UD-28 $99.98	UD-2 $91.84	20 lbs.	$564.09
	BC 18/20-S	4.9	2900	9.5 HP Electric	UD-28 $99.98	UD-2 $91.84	20 lbs.	$576.72
1750 RPM	BD 4.0/20-S	4.1	2030	5.6 HP Electric	UD-109 CALL	UD-2 $91.84	20 lbs.	$564.20
	BD 4.0/30-S	4.0	2900	7.9 HP Electric	UD-109 CALL	UD-2 $91.84	20 lbs.	$564.09
	BD 5.0/30-S	4.8	2900	9.3 HP Electric	UD-28 $99.98	UD-2 $91.84	20 lbs.	$579.96
Rail Kit	8702.10	Standard ( 7/8″ ) Rail Kit for M-Series Solid Shaft Pumps – $31.32
Rail Kit	8702.20	Tall ( 2-1/2″ ) Rail Kit for M-Series Solid Shaft Pumps – CALL

Direct Drive, Gas Engine Flange Models

1″ Hollow Shaft, SAE J609-B Flange and Set Screw

	Model	Gpm	Psi	Power Requirements	Seal Kit	Valve Kit	Weight	Price
3400 RPM
	BL 4.0/30-W	4.1	2900	11 HP Gas	UD-109 CALL	UD-2 $91.84	23 lbs.	$592.92
	BL 5.0/30-W	5.0	2900	14.5 HP Gas	UD-109 CALL	UD-2 $91.84	23 lbs.	$592.92

Gear Reduction Drive, Gas Engine Models

1″ Hollow Shaft; SAE J609-B Flange, 2.2:1 Gear Reduction

	Model	Gpm	Psi	Power Requirements	Seal Kit	Valve Kit	Weight	Price
Gear Reduction	BC 13/20-GR1	3.4	2900	9 HP Gas	UD-109 CALL	UD-2 $91.84	28 lbs.	$806.76
	BC 15/20-GR1	4.0	2900	11 HP Gas	UD-109 CALL	UD-2 $91.84	28 lbs.	$806.76
	BC 18/20-GR1	4.9	2900	14.5 HP Gas	UD-28 $99.98	UD-2 $91.84	28 lbs.	$822.96

Gear Reduction Drive, Gas Engine Models

1-1/8″ Hollow Shaft; SAE J609-B Flange, 2.2:1 Gear Reduction

	Model	Gpm	Psi	Power Requirements	Seal Kit	Valve Kit	Weight	Price
Gear Reduction	BC 13/20-GR1-1/8	3.4	2900	9 HP Gas	UD-109 CALL	UD-2 $91.84	28 lbs.	$819.72
	BC 15/20-GR1-1/8	4.0	2900	11 HP Gas	UD-109 CALL	UD-2 $91.84	28 lbs.	$819.72
	BC 18/20-GR1-1/8	4.9	2900	14.5 HP Gas	UD-28 $99.98	UD-2 $91.84	28 lbs.	CALL

Direct Drive, Electric Flange Models

1-1/8″ Hollow Shaft with NEMA 182/184 TC Mounting Flange

	Model	Gpm	Psi	Power Requirements	Seal Kit	Valve Kit	Weight	Price
1750 RPM	BD 4.0/20-U	4.1	2030	5.6 HP Electric	UD-109 CALL	UD-2 $91.84	23 lbs.	$598.32
	BD 4.0/20-UL*	4.1	2030	5 HP Electric	UD-109 CALL	UD-2 $91.84	23 lbs.	$598.32
	BD 4.0/30-U	4.1	2900	7.9 HP Electric	UD-109 CALL	UD-2 $91.84	23 lbs.	$598.32
	BD 4.0/30-UL*	4.1	2900	7.9 HP Electric	UD-109 CALL	UD-2 $91.84	23 lbs.	$598.32
	BD 5.0/30-U	5.0	2900	9.7 HP Electric	UD-28 $99.98	UD-2 $91.84	23 lbs.	$623.16
	BD 5.0/30-UL*	5.0	2900	9.7 HP Electric	UD-28 $99.98	UD-2 $91.84	23 lbs.	$623.16

*”L” denotes left hand shaft

Free Ground Shipping

Towards orders $150.00 or more!
For exclusions click below

Shipping Policy

Returns & Refunds

Most items may be returned for credit or exchanged within 30 days. For more information, click below

Refund Policy

Top Notch Support

For order or technical assistance, contact EnviroSpec

Contact Us

751 Martin Luther King Dr. Homerville, GA 31634

office@envirospec.com

Newsletter Sign Up

Sign Up & Receive Exclusive Offers & Technical Wisdom For The Professional Power Wash Contractor!

© Copyright 2025 EnviroSpec. All Rights Reserved

Site by Diana Nichols and company