Peterson had an outstanding time at the 2010 Oregon Logging Conference in Eugene, Oregon February 25-27, 2010. Peterson had their new 4300 Drum Chipper on display and answered lots of questions about our full line of Peterson products. Thanks to everyone who came by to visit!
The Peterson 4300 Drum Chipper is designed for high volume biomass producers. It is powered by a C18 Caterpillar engine available in three power ratings, 630 HP, 700 HP and 765 HP. The chipper utilizes a 36 inch (914 mm) diameter by 40 inch (102 mm) wide drum. It is available with optional material sizing bars and a chip accelerator to minimize oversize twigs and branches in the chips. Other key features include a sloped feed deck for ease of feeding the chipper, and an adaptive feed control to maintain chip quality and engine RPM.
Peterson 4700 Horizontal Grinder: $185,000
Peterson 4700 Horizontal Grinder
CAT C16 engine, 630hp
8000 Hours
Good Condition
Contact Victor Acevedo 541.689.6520
Travis Moss 713.591.5026
See our current list of used machinery and horizontal grinders.
Freightliner Blower Truck 1991
Just in time for landscaping season!
Detroit 60 series
4 axle
New Air Lock
761,359 miles
40 yard Finn Bark Blower
Chain @ 75%
Blower ser #’s-1506
New Motor on Blower approx 2000 hours
Contact Dave Girard 541.914.1012
See all Used equipment on our site. Horizontal grinders, blower trucks and trailers, stump grinders.
Wood Chip Landscape Mulch
Feb 21
A big part of our buisness is in the wood recycling and wood chip market. Our chippers and blower trucks are put to use year round for landscaping operations large and small. We have heard concerns about the use of wood chips in landscaping applications and want to share the information from a comprehensive study conducted by Linda Chalker-Scott, Ph.D. Associate Professor at Washington State University. She is also a Master Gardener, WSU editor, Extension Urban Horticulturist. The entire research article can be found here.
Mulch Ado About Nothing
There are a number of concerns surrounding the use of arborist wood chips as a landscape mulch. Overall, the commonly expressed concerns about woody mulches are not borne out in research trials.
Concern: Woody mulches will acidify soils.
Evidence: None. In field situations it is difficult to significantly alter soil pH without addition of chemicals. Transient changes in pH may be found in the decomposing mulch layer itself, but these have little effect on underlying soils.
Concern: Woody mulches, such as cedar, leach allelopathic chemicals that kill other plants.
Evidence: Many plant materials contain allelopathic chemicals, which can prevent seeds from germinating or kill young seedlings. Most compounds have no effect upon established plants. Only a few woody materials have been found to contain allelopathic chemicals. Cedars have not been found to have this ability.
Concern: Mulches made from chipping diseased trees can infect healthy trees.
Evidence: Most studies indicate that diseased mulch cannot transmit pathogens to the roots of healthy trees. Under no circumstances should wood mulch be used as backfill. Not only is this a poor installation practice, but a potential mechanism for disease transfer as well.
Concern: Wood chips could be a fire hazard, particularly when they are used on landscapes around structures.
Evidence: Coarse textured organic mulches, like wood chips, are the least flammable of the organic mulches. Fine
textured mulches are more likely to combust, and rubber mulch is the most hazardous of all tested landscape mulches.
Concern: Wood chip mulches will tie up nitrogen and cause deficiencies in plants.
Evidence: Actually, many studies have demonstrated that woody mulch materials increase nutrient levels in soils and/or associated plant foliage. My hypothesis is that a zone of nitrogen deficiency exists at the mulch/soil interface, inhibiting weed seed germination while having no influence upon established plant roots below the soil surface. For this reason, it is inadvisable to use high C:N mulches in annual beds or vegetable gardens where the plants of interest do not have deep, extensive root systems.
Concern: Woody mulches will attract termites, carpenter ants, and other pests.
Evidence: Many wood-based mulches are not attractive to pest insects but are actually insect repellent. For instance, cedar (Thuja) species produce thujone, which repels clothes moths, cockroaches, termites, carpet beetles, Argentine ants, and odorous house ants. In general, termites prefer higher nutrient woody materials, such as cardboard, rather than wood chips.
There is a growing interest in LEED building, use of recycled materials and the choices of “green” products in the construction field. There has been an increasing demand for Peterson grinders used for recycling asphalt shingles, and we are hopeful that the industry practice will continue to grow. This article is from the Asphalt Roofing Manufacturers Association.
“Asphalt shingles are a great value based on aesthetic appeal, durability and affordability. Yet in today’s world, consumers are questioning what makes products “green” and they want to know they are living as environmentally responsible as possible. ARMA is firmly committed to working with the CMRA and others, developing innovative solutions and breaking down barriers, to enhance the sustainability of asphalt shingles.”
Eight out of ten homes in the U.S. have asphalt shingle roofs. As homes are re-roofed, millions of tons of roofing tear-off waste are sent to landfills every year. According to the US Environmental Protection Agency, every year 88 million tons of waste from construction, renovation or demolition of buildings is sent to landfills, which includes material from shingle tear-offs.
“There represents an excellent opportunity for reducing landfill waste,” said Jim Baker, Director of Industry Affairs for ARMA. “Asphalt shingles can be recycled in various ways, for example they can be recycled into hot asphalt mixes for paving roads; or ground up for use as fuel for cement kilns.”
The Peterson model 5900 disc chipper is built to produce high quality paper chips when used with a Peterson model 4800 debarker or fuel chips as a stand alone fuel wood chipper. The same high quality chipping components have been used for many years in Peterson’s 5000G delimber/debarker/chipper.
The 5900 has a large feed throat capable of accepting up to a 23 inch (563mm) diameter tree or multiple smaller diameter stems. The 5900 is provided with a standard three knife disc, and is also available with an optional four knife disc. Peterson’s heavy-duty 66 inch (1676mm) diameter 4.75 inch (121mm) thick chipper disc has a replaceable 0.5 inch (13mm) thick wear plate. Chipping production rates from 60–100 tons (55–90 tonnes) can be achieved depending on chip size.
The 5900 is designed with a minimum of complication for reliable low cost long term operation. The chipper disc is directly driven from a high-capacity dry-disc clutch and belts. The six-cylinder Caterpillar C18 engine is more economical and requires less maintenance than twelve-cylinder engines.
A twelve channel radio remote control permits control of the 5900 by the loader operator. The machine can be also controlled from the control box on the chipper.
Peterson specializes in the development and sales of delivery and processing equipment that turns low-grade organic materials into high value products.
Since 1982 Peterson has manufactured equipment for customers in over 20 countries.
There is a used 5000 G Chipper listed on our Used Equipment page.
Whether reducing the volume of material for landfill purposes or recycling debris into a usable end product, horizontal grinders are gaining in popularity among C&D recyclers. The ability to work in confined spaces and a general reputation for safe operation are just two of the features giving horizontal grinders a leg up in the market over other secondary grinding equipment like tub grinders.
SAFETY FIRST
Safety is a high priority on any jobsite, and the horizontal grinder’s reputation for safety is helping it gain favor among operators. It’s a particularly important issue for ChuckTomlinson, manager of Amerigrow Recycling in Delray Beach Delray Beach, FL who says his horizontal grinder is well matched to his specific operation. “We’re open to a lot of traffic here and we take in a lot of trucks everyday,” says Tomlinson. Horizontal grinders tend to have the edge when it comes to safety–they don’t have the reputation for errant discharge that tub grinders do, says Tomlinson, which is why he opted for a horizontal model at his high-traffic facility.
At Amerigrow, Tomlinson says the company mainly processes landscape debris for mulch and compost soil. He says he tried using a tub grinder, but the constant discharge of large materials–including big logs–made it too dangerous, so he invested in a horizontal grinder. “The horizontal grinder has material coming into an enclosed grinding chamber, but with tubs, there’s nothing to stop the discharge,” he says.
This aspect makes horizontal grinders ideal for work in urban areas, according to according to
Gary Davis of distributor and contract grinder Recycling & Processing Equipment, Peru, Ind. “You can work in confined areas with the horizontal–right downtown,” Davis says, a factor which is becoming more important in an industry where urban work and jobsites in and around populated areas are becoming more common.
See all new Peterson Horizontal Grinders and Used Horizontal Grinders
Peterson products were once again a big hit at the 2010 United States Composting Council show in Orlando, Florida January 24th-27th 2010.
Thanks to all the people who stopped by our booth at the show to introduce themselves to Peterson products or to touch bases with our Peterson personnel at the show. The show itself had many interesting symposiums on issues and best practices with the composting industry.
The live demonstration on Wednesday at Reedy Creek Services was another way for people to see a Peterson grinder and BT-60 blower truck in action. Ring Power Caterpillar, our Florida dealer for Peterson products, brought out a CAT C32 powered 6700B horizontal grinder which quickly dominated the competition and showed the crowd why we are the leader in this industry!
Peterson also had its BT-60 blower truck at the live demonstration with local Filtrexx dealer Nathan Wax from Natural Soil Solutions (813.628.0600) showing the crowd how Peterson blower trucks can quickly and effectively fill Filtrexx sock as a quick and effective barrier for erosion and sediment control.
Many thanks go out to Stu Buckner and his USCC staff for putting on another great show!
Longwood Gardens in Pennsylvania has made a serious commitment to recycling, composting and waste reduction.We are pleased that Peterson machinery is being put to use to beautify this stunning public garden.
Woody materials are ground to 6 inches (1), screened using a trommel (2), then reground to 2 inches for hardwood mulch. Composting feedstocks are mixed by weight (3), then discharged into windrows (4).
LEAF AND HARDWOOD MULCH PRODUCTION
The organics recycling operation produces leaf mulch, hardwood mulch and two kinds of compost. Some raw by-products from mulch production include wood chips and ground fines. The mulches are produced from a combination of on-site and local community collections/drop-offs. Feedstocks for the hardwood mulch include twigs, branches, pallets, fiber pots and planting stakes, while leaf mulch is made solely from leaves.
A Peterson horizontal grinder is rented twice a year to shred the woody material for hardwood mulch. It is ground to 6 inches, screened using a McCloskey trommel, then reground to 2 inches. Fines from screening (“ground fines”) are used as a compost feedstock or soil amendment on the adjacent farm fields. The hardwood mulch is aged for 6 months prior to use. The site collects about 5,000 yards of brush and debris each year to produce about 2,000 yards of finished mulch, although this throughput increases annually. Currently, all the hardwood mulch is used in the garden on tree rings, planting beds, and on paths for cultural and aesthetic purposes.
