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 Allis Chalmers and Simplicity Garden Tractors
 Simple Attachments (Simplicity & AC) Reference
 Brantly Backhoe Model 603A
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Posted - 06/28/2008 :  08:18:24  Show Profile  Visit B112's Homepage Send B112 a Private Message
Brantley Backhoe Model 603A

Under construction.

Operating Criteria: (Ref. Figure 1)
Digging Depth: 6.0 ft. (182.9cm)
Digging Radius: 9.0 ft. (274.3 cm)
Bucket Clearance: 6.0 ft (182.9cm)
Swing Radius: 135 Degrees

Hydraulic System:
Type: P.T.O. Driven Pump
Operating Pressure: 1800 P.S.I.
Boom Cylinder: 22-1/2� (55.88 cm) by 2.0� (5.08 cm) with 1 1/8� (2.86 cm) Piston Rod
Crowd Cylinder: 16� (40.64 cm) by 2.0� (5.08 cm) with 1 1/8� (2.86 cm) Piston Rod
Bucket Cylinder: 10� (25.4 cm) by 2.0� (5.08 cm) with 1 1/8� (2.86 cm) Piston Rod
Swing Cylinder: 6� (1524 cm) by 2W� (6.35 cm) with 1 1/8� (2.86 cm) Piston Rod
Stabilizer Cylinder: 10� (25.4 cm) by 1 W� (3.81 cm) with 3/4� (1.91 cm) Piston Rod
Control Valve: Stacked, 6 Handle, Bidirectional

Cycle Times:
Bucket Open: 3.5sec.
Bucket Closed: 4.5sec.
Dipper Open: 2.5 sec.
Dipper Closed: 3.0 sec.
Boom Up: 6.0 sec.
Boom Down: 4.Ssec.
Boom Right: 3.Osec.
Boom Left: 3.0 sec.

603A Backhoe: 490 lbs. (222.5 kg)
P603 Pump Kit 32 lbs. (14.5 kg)

615 8� Bucket: 21 lbs. (9.5 kg)
615A 13� Bucket: 30 lbs. (13.6 kg)
615B 16� Bucket: 35 lbs. (15.9 kg)

Optional Equipment:
8 Inch Bucket, 13 Inch Bucket, 16 Inch Bucket
4 Handle Control Valve Assembly
(Two Bi-directlonal, Four Quadra-directional) Special Order Only.

Note: Manual here: (WARNING!!! Very big and very long)

A picture:

Here are some links which shows or discuss this backhoe:



Brantley backhoe's was purchased by Ameriquip Corp. Here's a listing showing some of the backhoe manufacturers:

Note: Message from Amerequip Corporation:
When Amerequip purchased Arps in the early 1980s, the Brantly product line moved to SMC (Schwartz Manufacturing Company). They were then eventually bought out by the Alamo Group. You will need to contact them in search of Brantly Backhoe service parts.

Alamo Group (SMC) Inc.
300 E. 60th Street N.
Sioux Falls, SD 57104-0423
(605) 336-3628


Also see this brochure:
(Brantly made Backhoes, Loaders, Power Steering Kits, and Front Blades - seemed liked they figured out a good market at the time.)

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