Updated on May 26, 2020


Created on August 27, 2015

AECT Impact 2001A Compressed Earth Block Machine

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AECT Impact 2001A is a hydraulic compressed earth block machine that can produce 300 blocks per hour.

Developed By Unknown
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Product Description

The AECT Impact 2001A Compressed Earth Block Machine is an automated machine that produces about 2,400 blocks per 8 hour day, powered by a 7 HP diesel engine.

Distributors / Implementing Organizations

AECT with dealers in South Africa, Egypt, Saudi Arabia, and other nations

Manufacturing/Building Method

AECT individually produces products as they are ordered.

Intellectural Property Type


User Provision Model

The machines are distributed mainly through aid organizations or through dealers in South Africa, Egypt, Saudi Arabia, and other African countries. Interview with representative

Distributions to Date Status

71 units Interview with representative

System Dimensions

206 x 173 x 130 cm3

Portability (yes/no)


Raw materials used

Earth, clay, sand and cement

Recommended water content (ratio)


Induced pressure (Mpa)

5.6 MPa

Power source

7.0 HP Yanmar diesel engine

Finished unit dimensions

30.5 x 15.0 x 5.0 – 11.5cm3

Rate of production (units/hour)

300 blocks/hour

Curation duration (days)

No earth block curing required

Suitable climate

Not suitable for cold climates unless necessary vapour barriers and insulation can be added. On their own ISSBs and CEBs do not hold up well to freeze/thaw cycles and have a low thermal insulation capacity

Design Specifications

The AECT Impact 2001A Compressed Earth Block Machine is a mobile unit, powered by a 7 HP 208cc OHV Power Horse Gasoline Engine (Yanmar) with 19.5 gallon capacity. Design specifications include: • Unit Dimensions (L x W x H): 206 x 172.72 x 130 cm3, 15 cm road clearance. • Weight: 743.89 kg • Finished brick size (L x W x H): 30.5 x 15.0 x 5.0 - 11.5 cm3 • Finished brick weight: 4.1 - 8.1 kg

Technical Support

AECT requires 2 days of training in order to use the product. Failure to complete the training will result in a failure to validate the product warranty.

Replacement Components

According to the manufacturer, almost every part is replaceable. Interview with representative


AECT has products manufactured in 1985 that are still in use. AECT representative states that if they are treated well, there is no reason for them to stop working. Most of the parts are replaceable, and the replaceable liners in the product prevent dirt from metal corrosion, the main reason for product deterioration. Since each user is required to be trained for the product, there is a 6-month warranty. No disposal information is available. Interview with representative

Manufacturer Specified Performance Parameters

Block production rate: Approximately 300 blocks per hour or 2400 per 8 hour day. • Hopper capacity: 8 - 9 blocks • Hydraulic system: 73.82 L capacity Best Quality of block: • Uniformity • Strength • Easy to Lay • No variance in length and width • Some moulds have adjustable thickness

Vetted Performance Status



AECT requires 2 days of training in order to use the product effectively and safely. Failure to complete the training will result in a failure to validate the product warranty.

Complementary Technical Systems


Academic Research and References

Graham, C.W. et.al., 2005, Movement Coefficients of Compressed Earth Masonry Units, 10th Canadian Masonry Symposium, Banff, Alberta, June 1 – 12, 2005.

Morony, J. J., 2005, Logged Data For Heat Wave- A Preliminary Report, Del Rio, Texas, May 31 – June 2, 2005.

Graham, C. W. et.al., 2005, Soil Block Home Construction, BTEC Sustainable Buildings III Conference, Santa Fe, New Mexico, October 17-18, 2005.

Compliance with regulations

AECT is a BBB accredited Business (A+) and follows 2009 New Mexico Earthen Building Materials Codes, Title 14, Chapter 7, Part 4.

Other Information


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