When project requirements indicate deep excavation, long reach, or other unusual site conditions, do something you can’t do with other machines: increase your payload and accelerate your completion with one of Dorfman Construction’s heavy duty long reach excavators.


Koehring 1066

Koehring 1066 Excavator

REF # ATTACHMENT – NUMBER DIG DEPTH* REACH**
1 standard arm 35 feet 52 feet
2 extended arm – 1026 43-45 feet 62 feet
3 extended arm – 1033 50-52 feet 69 feet
4 extended arm – 1035 52-56 feet 71 feet
5 extended arm – 1040 57-59 feet 73 feet
6 extended arm/boom –1026-44 53-55 feet 77 feet
7 extended arm/boom –1031-44 58-61 feet 81 feet
8 extended arm/boom –1033-44 59-62 feet 83 feet
9 extended arm/boom –1040-44 67-69 feet 90 feet

*Will vary depending on length of hoist cylinders
**Measured from center of machine at ground level

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Koehring 1166

Koehring 1166 Excavator

REF # ATTACHMENT – NUMBER DIG DEPTH* REACH**
1 standard arm 35 feet 52 feet
2 extended arm – 1126 43-45 feet 62 feet
3 extended arm – 1133 50-52 feet 69 feet
4 extended arm – 1135 54-56 feet 71 feet
5 extended arm – 1140 50-58 feet 73 feet
6 extended arm/boom – 1126-45 53-55 feet 78 feet
7 extended arm/boom – 1131-45 58-61 feet 82 feet
8 extended arm/boom – 1133-45 59-62 feet 84 feet
 9  extended arm/boom – 1140-45  67-69 feet 92 feet

*Will vary depending on length of hoist cylinders
**Measured from center of machine at ground level

 

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Koehring 1466

Koehring 1466 Excavator

REF # ATTACHMENT – NUMBER DIG DEPTH* REACH**
1 short front 28 feet 50 feet
2 medium front 31 feet 52 feet
3 long front 38 feet 60 feet
4 extended arm – 1445 64-66 feet 90 feet
5 extended arm – 1448 67-69 feet 93 feet
6 extended arm – 1458 77-79 feet 103 feet
 7  extended arm/boom – 1445-49  73-75 111 feet
 8  extended arm/boom – 1448-49  77-79 114 feet
 9  extended arm/boom – 1458-49  87-89 124 feet

*Will vary depending on length of hoist cylinders
**Measured from center of machine at ground level.

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