• One-piece cast iron housings with single output cover design, CNC machined for precise component fit and alignment.
• Factory-filled with premium Mobil Glygoyle 460 polyalkalene glycol lubricant.
• Large oil capacity provides positive splash lubrication and superior cooling capability.
• Viton® double lip seals provide extended life through increased resistance to high temperature, abrasion and chemicals.
• The unique quill seal guard protects the input seal from damage during motor installation.
• Bronze worm gear chill cast from high quality bronze for maximum strength, lubricity and superior life.
• Oversized high-speed bearings, positively retained for frequent reversing and start/stop cycles.Tapered roller bearings on output shaft for high overhung and thrust load capacities.
• All units are 100% run and leak tested at the factory to insure that you receive the highest quality product.
• Ultimate application flexibility with all-angle mounting provisions, the widest selection of accessory bases and flanges and the largest selection of stock reducer styles.
• Mounting dimensions are interchangeable with most industry standard reducers.

Dimensions

DH	4.38
G	4.5
I	3.24 in
F	7.37
H	0.44 in
B	5
Center Distance (in)	1.75 in
J	4 in
T	0.875
R	2.06 in
M	1.76
N	4.31
L	4.45 in
U	0.625 in
V	0.25 in
K	2 in
O	2.05 in
A	8.25

Technical Specifications

Input Style	Shaft
Series Type	Cast Iron 800 Worm Gear Reducers
Input RPM	1,750
Overhung Load	1,200
Output Key	3/16 X 1.38
Series Style	GR-VH-RD
Reducer Style	Worm - Right Angle
Series Code	GR
Output RPM	116
Output Style	RD
Output Shaft Orientation	RD
Output HP	1.058
Input HP	1.224
Output Shaft Assembly Code	RD
Mounting Style	Vertical Output Shaft, High Base
No. of Gear Reductions	Single
Reducer	Worm - Right Angle
Center Distance (in)	1.75
Gear Type	Worm
Series	GR Series - Ironman Worm Gear Reducers
Output Diameter (in)	0.875 in
Product Line	GR Series - Ironman Worm Gear Reducers
Service Factor	1
Model Code	VH818
Shaft Seal Material	Viton
Ratio Range	15:1
Assembly	VH-RD
Product Type	Right Angle
Ratio	15:1
Input Diameter (in)	0.625 in
Input Keyway	3/16 X 1.38 in
Reduction	Single
Output Shaft	Shaft
Output Torque Rating (in-lb)	571 in/lbs
Housing Material	Cast Iron

General Specifications

Weight

3.00 LB