2518 Apache Series Wood Chipper

2518 (18 IN.) APACHE

140 HP John Deere T4F Turbo Charged Diesel

173 HP John Deere T4F Turbo Charged Diesel

180 HP GM Liquid Cooled Gas

Drum Style Wood Chipper

J.P. Carlton’s newest series in Drum Style Chippers- The Apaches. The 2518 features a massive 25-inch by 18-inch opening combined with a 37-inch diameter pocketed drum, allowing it to easily consume the largest trees. Aggressive feeding is handled by a dual pump hydraulic system controlled by a digital reversing autofeed system. The J.P. Carlton Apache series uses an exclusive long pivot arm for the 15¾” diameter top feed wheel. This long arm pivot gives the top feed wheel a smooth vertical lift path, allowing for easy opening over the largest butt ends. The Apache series also incorporates an exclusive Air Vortex Control to channel and accelerate discharge air, giving the Apache series high discharge velocities and great chip throwing power.

The J.P. Carlton 2518 is designed and built to stand up in the toughest applications, able to withstand all the punishment you and your crew can dish out. From its high capacity axles and tires, to its heavy-duty frame, back to the rigid 1/4″ feed table, the 2518 is built right. J.P. Carlton understands the environment the 2518 must survive in everyday. Thoughtful design elements like concealed wiring, integrated single manifold hydraulics with electronic control, and dual lift cylinders enhance performance and improve crew productivity. For Performance, Durability and Dependability nothing compares to J.P. Carlton.

  • Oversized 37″ Diameter Chipping Drum cuts down and forward on the material. Cutting with the grain minimizes the horsepower required, while giving the smoothest chipping action and best discharge possible.
  • Three Feed Motors working on independent circuits provide extreme pulling power.
  • LED Taillights mounted high on the infeed out of harm’s way. The 2518’s taillights have heavy-duty covers for extra protection. All the wiring runs inside the frame to give the machine neater appearance and keep wires clear of damage.
  • 64″ Wide Infeed Chute takes the big tops and requires less trimming by the crew.
  • Rigid Infeed Table resists bending under the day-to-day stresses of chipping the largest logs. This heavy-duty feed table is framed in tubing for even more added strength.
  • Dual Lift Cylinders provide crushing power when necessary and allow easy access to the anvil. Mounting these dual lift cylinders low on the sides allows for a full 360-degree chute rotation.
  • Access Steps on both sides aid in routine cleaning and maintenance.
  • Tandem Hydraulic System provides hydraulic fluid independently to each feed wheel. This system ensures the most power at all times to the feed system. By running this system directly off the engine, all hydraulic functions are available without engaging the drum.
  • Optional Hydraulic Winch gets the big material to the chipper.
  • Heavy-Duty 1½″ Feeder Bar
  • Hand Crank Swivel Discharge quickly and easily allows the operator to fill the largest capacity chip trucks corner to corner, or direct the chips to a precise place on the lot.
  • Hand Crank Height Adjustable Discharge Chute allows the operator to quickly adjust the discharge perfectly for any truck.
  • Kevlar Construction Belts carry more horsepower with less stretch, lowering maintenance costs and prolonging belt life.
  • Extended Frame supports the infeed table for added strength
  • Massive 25″ x 18″ Throat Opening is the largest in its class and easily handles the largest tops.

2518 (18 IN.) APACHE Specifications

Weight 11,300 Pounds
Length 211 inches
Height 100 inches
Width 56 inches
Tires 245/70R17.5 Ld Rng J 6005 # @125 PSI
Axle Dexter Spring 12,000 Pound Cap
Brakes Electric with Breakaway Switch
Hitch 5″ Height Adjustable Pintle
Fuel Capacity 40 Gallons
Battery 29 HVD 650 CCA
Jack Stand 5000 # Cap Screw Type Swing Up
Engine Options
Manufacturer John Deere
Number of Cylinders Four
Bore 4.19 Inches (106 mm)
Stroke 5.0 Inches (127 mm)
Displacement 276 Cubic Inches (4.5L)
Maximum RPM 2400 RPM
Horsepower 140HP*
Torque 398 Ft Lbs (539 NM)
Cooling Medium Liquid Water/Antifreeze Mixture
Air Cleaner Two Stage Dry Type
Oil Filter Full Flow Spin On
Oil Capacity 15 Quarts
Oil Type John Deere
Electrical 12 Volt
Gauges Powerview
Clutch Twin Disk 11 1/2″ Over Center
Drum Bearings 2 15/16 inches Pillow Block Bearing
Feed Roller Bearings 2 7/16 inches Tapered Roller
Drum Shaft 3 ½ inches
Feed Roller Shaft 2 inches
Chipper Drum
Drum Diameter 37 inches
Drum Width w/Fans 30 3/4 inches
Drum Balance Precision High Speed Balanced
Drum Speed 1160 RPM Nominal
Number of Knives 4
Knife Dimensions 12 15/16″ x 5 1/2″ x 5/8″
Anvil 5 7\8″ x 24 ¾” x 1/2″ AR400
Chip Throwers 20 1\4″ x 3″ x 10″
Cutting Dimensions
Throat Opening 18″ x 25″
Hydraulic System
Hyd Pump Displacement 1.5 in cu/rev total from 2 pumps
Hyd Pump Drive System Direct Drive off Engine Mount
Flow 16 GPM Total Tandem Systems
System Relief 2500 PSI
Oil Tank Capacity 18 Gallons
Oil Type AW32
Valve DO5 Electric Solonoid
Hose 16,000 PSI Burst – Exceeds SAE 100R2
Oil Filter 10 Micron Return with Suction Strainer
Drive System
Engine Sheave 6/5V8.5
Jackshaft Sheave 6/5V18.7
Drive Belt 6/5V1800
Cutter Head Shaft 3 ½ inches
Feed System
Feed Motor 46 In Cu Top 32 In Cu Bottom
Flow Separate Systems for Top/Btm Feed
Hydraulic Drive Live – Driven off engine
Autofeed Reversing, Digital, Fully Adjustable
Feed Rate 100 Feet Per Minute
Feed Rollers Top: 15 3/4″ Dia Bottom: 10 ½” Dia
Springs Two 30″ Tight Wound Powder Coated
Feed Pivot Bearings Two 2″ Tapered Roller
Lift Cylinders Two 2 x 18 with 1″ attachments
Discharge Crank Adjustable Swivel and Height
Main Trailer Tongue 3″ x 8″ with 1/2″ wall
Main Trailer Frame 3″ x 8″ with 1/4″ wall
Telescoping Tongue N/A
Engine Channel Mnts 4″ Channel with 15/16″ web
Infeed Chute 1/4″ with 2″ x 2″ x 1/4″ tube frame
Folding Infeed Tray 1/4″ Plate w/2″ x 2″ and 2″ x 4″ Tube
Folding Tray Lock N/A
Discharge Chute 12 gauge
Discharge Lock ¾” Spring Loaded Pin
Fuel Tank 10 gauge with baffles rubber mtd
Hydraulic Tank 10 gauge with baffles rubber mtd
Battery Box 3/16″ – lockable
Fenders 3/16″ checker plate
Feeder Bar 1 1/2″ OD x 1/8″ wall – removable
Radiator Guards N/A
Light Brackets 3/16″ with hidden wiring
Hitch Plate 3/4″ Plate adjustable 5″ Up/Down


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