• 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

D	2.75
M	1.76
T	0.875
N	4.31
H	0.41 in
B	6.99
V	0.69 in
C	6.44 in
O	2.05 in
I	3.24 in
K	2.88 in
L	4.45 in
U	0.625 in
G	2.25
J	5.75 in
Center Distance (in)	1.75 in
F	4.5
A	5.75

Technical Specifications

Output Shaft Assembly Code	L
Output Style	L
Output HP	1.745
Series Style	GR-T-L
Overhung Load	1,200
Mounting Style	Horizontal Base, Worm Over
Output RPM	233.3
No. of Gear Reductions	Single
Series Code	GR
Input Style	Shaft
Output Key	3/16 X 1.38
Reducer Style	Worm - Right Angle
Input HP	1.909
Series Type	Cast Iron 800 Worm Gear Reducers
Output Shaft Orientation	L
Input RPM	1,750
Input Keyway	3/16 X 1.38 in
Gear Type	Worm
Reducer	Worm - Right Angle
Product Line	GR Series - Ironman Worm Gear Reducers
Ratio	7.5:1
Center Distance (in)	1.75
Ratio Range	7.5:1
Series	GR Series - Ironman Worm Gear Reducers
Assembly	T-L
Service Factor	1
Product Type	Right Angle
Output Diameter (in)	0.875 in
Model Code	T818
Shaft Seal Material	Viton
Input Diameter (in)	0.625 in
Reduction	Single
Output Shaft Direction	Left
Output Shaft	Shaft
Housing Material	Cast Iron
Output Torque Rating (in-lb)	471 in/lbs

General Specifications

Weight

23.00 LB