4400 Series Earth Augers

Rugged, in your face digging prowess. Best-in-class, heavy-duty construction meant to deliver real performance in the toughest soil conditions.

Every inch, from the drive hub and flighting to the boring head is designed to provide exceptional wear and a long service life. We don’t cut corners. Many try to copy but can’t hold a candle to these. Screw bits penetrate quickly and keep your dig centered so the hole doesn’t look like you were digging sideways in a windstorm. Teeth attack angles are positioned for optimum soil break up and faster penetration. Flighting pitch is set to lift dirt up and out to minimize dirt fallback saving you time. Multiple, interchangeable tooth options available depending on the conditions you dig. Just an auger, think again. Made to last, made to dig, made for you right here in the USA.

Features/Benefits:

• 1.375-inch hexagon auger drive connection
• Flighting pitch minimizes power required, maximizes loose soil removed from hole
• Heavy-gauged, steel, helicoid or sectional flighting for added structural strength
• Heavy-walled, steel, axle to better withstand bending and torque loads
• One piece, cast steel boring head positions teeth for optimum digging performance, wear & service life
• Outside cutting teeth extend past flighting edge to minimize flighting wear & extend service life
• Wide selection of interchangeable cutting teeth for added flexibility to match soil conditions

Specifications

Soil Classification Applications
Soil Classification Applications	Larger fencing, decks, landscaping, sign installations, soil sampling & other similar projects in loam, sand, soft clay plus, sandstone, fractured limestones, caliche, compacted clays & rubble soil classifications

Auger
Auger Drive Connection	.812-inch (20.6 mm) hexagon for 2.25-inch diameter auger 1.125-inch (28.6 mm) hexagon for 3.25-inch diameter auger 1.375-inch (34.9 mm) hexagon for 4.0-to-18.0-inch diameter augers
Auger Pin Connection	.375-inch (9.5 mm) diameter auger pin, 4.0-to-18.0-inch diameter augers For 2.25-inch (57.2 mm) diameter auger, use 4400-2CLR coupler For 3.25-inch (82.6 mm) diameter auger, use 4400-3CLR coupler
Available Auger Diameter Range	2.25 to 18.0 inches (57.2 to 457.2 mm). Select auger from table above for specific details
Available Cutting Diameter	Select auger from table above for specific details
Effective Auger Digging Depth	36.0 inches (762.0 mm), all 4400 Series augers except 4400-18P
Intended Auger Digging Depth 4400-18P	18.0 inches (457.2 mm)
Available Auger Extension	15.0 inches (381.0 mm), plain tube-type 2.25-to-12.0-inch (57.2 to 304.8 mm) diameter x 36.0 inch (914.4 mm), 5500 Series flighted
Flighting Thickness	.250 inch (6.4 mm)
Flighting Construction	2.25-to-12.0-inch (57.2 to 304.8 mm) diameter augers: single pitch helicoid, full axle length 14.0-to-16.0-inch (355.6 to 406.4 mm) diameter augers: single pitch sectional, full axle length 18.0-inch (457.2 mm) diameter plating auger: single pitch sectional, bottom third of axle
Axle Diameter	2.25 & 3.25 inch (57.2 & 82.6 mm) diameter augers: 1.75 inch (44.5 mm) 4.0 to 12.0 inch (101.6 to 304.8 mm) diameter augers: 2.0 inch (50.8 mm) 14.0 to 18.0 inch (355.6 to 457.2 mm) diameter augers: 2.5 inch (63.5 mm)
Boring Head	2.25 to 4.0 inch (57.2 to 101.6 mm) diameter augers: CSA type, screw bit acts as boring head/cutting teeth 6.0 to 12.0 inch (152.4 to 304.8 mm) diameter augers: proprietary, LDBH type, one piece, cast steel boring head 14.0 to 18.0 inch (355.6 to 457.2 mm) diameter augers: welded, steel plate & cast steel CSA type
Screw Bit	Field replaceable, alloy steel centering screw bit, heat treated to extend service life. SB25PAK3 standard on 2.25, 14.0, 16.0 & 18.0 inch (57.2, 355.6, 406.4 & 457.2 mm) diameter augers. SB25C is optional. SB26PAK3 standard on 6.0, 8.0, 10.0 & 12.0 inch (152.4, 203.2, 254.0 & 304.8 mm) diameter augers. SB26C is optional. Both with integral 1.0 inch (25.4 mm) square drive lug. SB35 standard on 3.25 inch (82.6 mm) diameter auger. 35C is optional. SB45 is standard on 4.0 inch (101.6 mm) diameter auger. 45C is optional.
Cutting Teeth	Field replaceable, RUB-R-LOK™ retention, standard alloy steel cutting teeth, hot forged, hardfaced to extend service life. 35HFCPAK7 standard on 6.0 to 18.0 inch (152.4 to 457.2 mm) diameter augers. 35PAK7, 5T30PAK3, 5T30CPAK3 & 1336PAK2 tooth options available for specialized applications.

General
Product Dimensions (L x W x H )	Select auger extension from table above for specific  details
Product Weight	Select auger extension from table above for specific  details
Compatible Product	330H hole digger, 332H EPIC® Series hole digger & 660H DIG-R-MOBILE®

Note: Do not use more than one each of the following in a single auger string when digging a hole: coupler, non-flighted auger extension, flighted auger extension plus an auger.