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TF820-E

TF820-E

TF820-E

Product catalog summary
Overview: The TF820-E, also known as 'Proteus', is a versatile eight-wheeled rubber-tire forest machine. It is renowned for its ability to perform various tasks such as forwarding, firefighting, concrete hauling, pipeline work, and ski tower installation. The machine can quickly switch from a grapple to a CTL processor in just 10 minutes, enhancing its adaptability.
Specifications: The TF820-E features a spacious SAE certified cab with heating, air conditioning, and entertainment options. It has a large fuel tank capacity of 108 gallons (408 liters) and a robust 20-ton N.A.F. bogie system. The machine is equipped with an oversized swing bearing and continuous swing capability, ensuring smooth operation in tight spaces.
Engine Options: The machine offers three engine options: Cummins 260 H.P. mechanical, John Deere 6068 250 H.P. electronic, and Cummins 300 H.P. electronic. It includes a 24-volt electrical system with a 70 amp alternator and an automatic reversing engine fan for cooling efficiency.
Hydraulics and Transmission: The TF820-E is equipped with load sense, pressure compensated hydraulics, and a hydrostatic 2-speed transmission with speeds up to 12 mph (19.3 km/h). It also features mechanical locking differentials and a side-by-side radiator/oil cooler.
Structural Features: The machine includes forwarder loader booms, optional feller buncher booms, and a 6' squirt boom. It has an attachment quick-change adapter for easy switching between tools.
Operator's Cab: The cab is fully certified for ROPS/FOPS/OPS and includes 1/2" Lexon windows, an Eagle heater/AC system, and a fully adjustable operator's seat. It is equipped with seven halogen lights for night work and offers three escape routes for safety.
Tires: Standard tire options include Nokian 700, with optional Nokian 750 and Firestone 28L tires available for enhanced flotation.
Lift Capacities: The machine's lift capacities vary depending on the boom configuration, with standard loader booms offering up to 13,095 lb. (5,216 kg) at 10' and optional feller buncher booms offering up to 24,120 lb. (10,940 kg) at 10'.
Dimensions: The TF820-E has an overall height of 11' 5" (348 cm) with 700 tires and 11' 10" (361 cm) with 750 tires. Its overall length is 33' 1" (1008 cm), with a wheelbase of 212" (538 cm) and a boom length of 25' 0" (762 cm).
Additional Features: The machine includes centralized greasing, a 10-micron hydraulic oil filtration system, and a pump drive ratio optimized for peak torque and efficiency. Optional features include a supplemental oil cooler and xenon lights.
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Catalog excerpts

TF820-E-1

“The Leader in Rubber-Tire Forest Machines!” Rubber Tire Machines! “The

 Open the catalog to page 1
TF820-E-2

Versatility And Productivity In Any Form The TF820-E eight-wheeled machine has been called “Proteus” (Greek God of change) because of the many things it can do. The TF820-E is the best forwarder on the market today and, because it has continuous swing and can work over the front, it has tremendous versatility to work in log yards, fight fires, haul concrete, do pipeline work, set ski towers and most importantly, work as a combo machine with a 10-minute change over time from the grapple to a CTL processor. This machine was designed and built to be the best, whether being used as a forwarder, a...

 Open the catalog to page 2
TF820-E-3

CLAM BUNK A) Overall Height - 700 Tires Overall Height - 750 Tires E) Overall Width - Wheels Dish "IN" Overall Width - Wheels Dish "OUT" F) Ground Clearance - Hinge Pin - 700 Tires Ground Clearance - Hinge Pin - 750/28L Tires G) Ground Clearance - Bogie Arm - 700 Tires Ground Clearance - Bogie Arm - 750 Tires

 Open the catalog to page 3
TF820-E-4

Spacious SAE certified cab with heat/AC, AM/FM radio, tape player, and three escape routes. Oversized swing bearing with Lohmann swing gear and continuous swing. Large fuel tank with a 108 gallon (408 litre) capacity. 20-ton N.A.F. bogie. Rear bogie tracks perfectly with the front bogie in the tightest turns.

 Open the catalog to page 4
TF820-E-5

TimberPro’s special boom pin linkage allows an easy 10-minute change over from the grapple to a CTL processor attachment. Good access to 2-speed drop box and hydrostatic motor.

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TF820-E-6

10-micron hydraulic oil filtration. Large optional supplemental oil cooler for hot weather conditions. Automatic reversing engine fan for cooling efficiency. Centralized greasing in hard to reach places. Pump drive ratio set so engine can run at 1800 R.P.M. for peak torque and best efficiency. STANDARD & OPTIONAL FEATURES Standard = S

 Open the catalog to page 6
TF820-E-7

BOOM SWEEP Lift Capacities Standard Loader Booms Lift Capacities (Without attachment) @10' @15' @23' @31' ** With optional 6' (1,5 m) squirt boom. Lift Capacities Optional Feller Buncher Booms Lift Capacities (Without attachment) @10' (3,05 m) @15' (4,57 m) @23' (7,01 m) Machine Weights and Ground Pressures TF820 Clam Bunk TF820 Forwarder *Base Machine Front Axle Rear Axle Ground Pressures (psi) [@ max load]: Front Wheels Front Wheels w/Tracks Rear Wheels Rear Wheels w/Tracks *Base Machine Front Axle Rear Axle Ground Pressures (psi) [@ max load]: Front Wheels Front Wheels w/Tracks Rear Wheels...

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TF820-E-8

DIMENSIONS & SPECIFICATIONS A) Overall Height - 700 Tires Overall Height - 750 Tires E) Overall Width - Wheels Dish "IN" Overall Width - Wheels Dish "OUT" F) Ground Clearance - Hinge Pin - 700 Tires Ground Clearance - Hinge Pin - 750/28L Tires G) Ground Clearance - Bogie Arm - 700 Tires Ground Clearance - Bogie Arm - 750 Tires TimberPro, LLC P.O. Box 415, Shawano, WI 54166 Phone 715 524 7899 Fax 715 524 7898 TimberPro reserves the right to change specifications without notice or obligation. Products illustrated may be equipped with non-standard equipment. Other manufacturer’s equipment or attachments...

 Open the catalog to page 8

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.