ID # 67180420

Blue Diamond AUGER – EXTREME DUTY SERIES 2 – EXCAVATOR

Name: Blue Diamond AUGER – EXTREME DUTY SERIES 2 – EXCAVATOR
Brand: Blue Diamond
Availability: OutOfStock

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Overview

Blue Diamond® Extreme Duty Series 2 Auger offers the ultimate in performance, quality, and cost-effectiveness for excavators. Designed with high-grade materials and innovation, this attachment allows the gearbox to go down the hole, maximizing drilling depth while eliminating downtime. Our augers are perfect for drilling in most ground conditions.

*Available to fit machines up to 60,000 lbs.

Specifications

Model

AUGER – EXTREME DUTY SERIES 2 – EXCAVATOR

Category Name

Attachments

Year

2026

Sale Type

New

Manufacturer

Blue Diamond

features & benefits

Compact high torque manufactured gearbox
2 piece shaft design ensuring maximum side load rating
5-year gearbox warranty, 3-year motor warranty, and lifetime shaft pull-out warranty

technical data

Model	EX1	EX2	EX3	EX4	EX4HF	EX5HF	EX6HF	EX7HF
Part Number	305705	305708	305712	305715	305720	305725	305728	305730
Torque ft-lbs @ 3000 Ps	1,467	2,254	2,829	3,275	3,583	3,903	4,909	6,162
Max Torque ft-lbs 3500 Psi	1,712	2,630	3,300	3,821	4,180	4,553	5,728	7,189
Recommended Flow (GPM)	6-16	10-26	10-30	10-30	10-36	10-36	12-36	14-36
Peak Efficiency (GPM)	8-11	12-16	17-20	19-23	21-26	—	—	—
Motor Type	Eaton	Eaton	Eaton	Eaton	Eaton	Eaton	Eaton	Eaton
Max Pressure – Do Not Exceed	3500 psi @ 16 gpm	3500 psi @ 16 gpm	3500 psi @ 16 gpm	3500 psi @ 16 gpm	3500 psi @ 27 gpm	3500 psi @ 27 gpm	3500 psi @ 27 gpm	3500 psi @ 27 gpm
Max Flow – Do Not Exceed	30 gpm @ 1800 psi	30 gpm @ 1800 psi	30 gpm @ 1800 psi	30 gpm @ 1800 psi	42 gpm @ 3100 psi	—	—	—
Max HP	33	33	33	33	55	55	55	55
Pressure Relief Valve	N/A	N/A	N/A	N/A	Included	Included	Included	Included
Standard Output Shaft	2″ Hex	2″ Hex	2″ Hex	2″ Hex	2″ Hex	2 1/2" Hex	2 1/2" Hex	2 1/2" Hex
Max Drilling Diameter Clay/Shale	12″	24"	24"	24"	24"	24"	30"	30"
Max Drilling Diameter Earth	24″	30”	30”	30”	40”	40"	40"	48"
Weight (lbs)	101	123	123	125	180	290	290	290
Overall Length (in)	24.5″	25.9″	25.9″	25.9″	29″	33.7"	33.7"	33.7"
Diameter (in)	7.4″	9.4″	9.4″	9.4″	9.4″	11.4"	11.4"	11.4"

Max Diameter (shale/clay	12”	24”	24”	24”	24”	24”	30"	30"
Max Diameter (dirt)	24”	30”	30”	30”	40"	40"	40"	48”