PNS/PAES 136: Agricultural Machinery -- Agricultural Trailer -- Specifications

2005·1.3 MB·English

by  Philippine Agricultural Engineering Standards

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EDICT OF GOVERNMENT
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PNS/PAES 136 (2005) (English): Agricultural
Machinery -- Agricultural Trailer --
Specifications

PHILIPPINE NATIONAL
STANDARD
PNS/PAES 136:2005
(PAES published 2004)
ICS 65.060
Agricultural Machinery - Agricultural Trailer - Specifications
---,- ~ BUREAU OF PRODUCT STANDARDS
DEPARTMENT OF
TRADE & INDUSTRY
FEB l I 1006 PHI liP PIN E S
PHILIPPINE NATIONAL STANDARD PNS/PAES 136:2005
(PAES published 2004)
National Foreword
This Philippine Agricultural Engineering Standards PAES 136:2004, Agricultural
Machinery - Agricultural Trailer - Specifications was approved for adoption as a
Philippine National Standard by the Bureau of Product Standards upon the
recommendation of the Agricultural Machinery Testing and Evaluation Center.
PHILIPPINE AGRICULTURAL ENGINEERING STANDARD P AES 136:2004
Agricultural Machinery - Agricultural Trailer - Specifications
Foreword
The fonnulation of this National Standard was initiated by the Agricultural Machinery
Testing and Evaluation Center (AMTEC) with support from the Department of Agriculture
(DA).
This standard has been technically prepared in accordance with BPS Directives Part 3: 2003
- Rules for the Structure and Drafting of International Standards.
The word "shall" is used to indicate mandatory requirements to confonn to the standard.
The word "should" is used to indicate that among several possibilities one is recommended as
particularly suitable without mentioning or excluding others.
In the preparation of this standard, the following documents/publications were considered:
CIGR Handbook of Agricultural Engineering. Plant Production Engineering. Volutne III.
Published by the Anlerican Society of Agricultural Engineers (ASAE). USA. 1999. pp 463-
465.
Indian Standard (IS) 8213: 1976 - Specification for Agricultural Trailer
International Organization for Standardization (ISO/FDIS 17900:2001) Agricultural Trailer
Balanced and semi-mounted trailers - Detennination of payload, vetiical static load and axle
load.
Korean Standard (KS) B 7123: 1977 - Trailers for Power Tiller
Republic Act No. 7394 otherwise known as "The Consumer Act of the Philippines" enacted
on July 22, 1991.
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PHILIPPINE AGRICULTURAL ENGINEERING STANDARD PAES 136:2004
Agricultural Machinery - Agricultural Trailer - Specifications
1 Scope
This standard specifies the construction and other requirements for agricultural trailer fitted
with pneumatic tires and towed by an agricultural tractor at the traveling speed not exceeding
30 kph.
This standard is applicable to trailers with up to 10 metric tons capacity.
2 References
The following normative documents contain provisions, which through reference in this text,
constitute provisions of this National Standard:
ISO 4251-1: 1994, Tyres (ply rating marked series) and rims for agricultural tractors and
lnachines - Part 1: Tyre designation and dimensions
ISO 4251-2: 1994, Tyres (ply rating marked series) and rims for agricultural tractors and
machines - Part 2: Tyre loading ratings
ISO 4251-3: 1994, Tyres (ply rating marked series) and rims for agricultural tractors and
machines - Part 3: Rims
PAES 102:2000, Agricultural Machinery - Operator's Manual- Content and Presentation
PAES 103:2000, Agricultural Machinery - Method of Sampling
PAES 107:2000, Agricultural Machiilery - Hitch for Walking-Type Agricultural Tractor
- Specifications
PAES 118:2001, Agricultural Machinery - Four-Wheel Tractor - Specifications
PAES 311 :2001, Engineering Materials - Bolts and Nuts for Agricultural Machines
- Specifications and Applications
PAES 312 :200 1, Engineering Materials - Rivets for Agricultural Machines
- Specifications and Applications
P AES 313 :200 1, Engineering Materials - Screws for Agricultural Machines
- Specifications and Applications
P AES 3 14: 2001, Engineering Materials - Washers for Agricultural Machines
- Specifications and Applications
PAES 315:2001, Engineering Materials - Pins for Agricultural Machines
- Specifications and Applications
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PAES 136: 2004
3 Definitions
F or the purpose of this standard, the following definitions shall apply:
3.1
agricultural trailer
trailer designed to carry load for agricultural purposes without power of its own
3.1.1
balanced trailer
agricultural trailer whose total load is supported by at least two axles with four or lTIOre
wheels when detached from the towing tractor (see Figure 1)
3.1.2
semi-trailer
agricultural trailer with one axle and two wheels which, while in use, part of its load is
transfened to the towing tractor and the rest of the load is canied on its axle (see Figure 2)
3.2
axle load
total static load supported by the wheels on the respective axle
3.3
gross load
gross weight
sum of payload and unladen mass of the trailer expressed in Inetric tons
3.4
ground clearance
vertical distance between the ground and the lowest point of the trailer
NOTE In Ineasuring ground clearance, the trailer shall be loaded to its payload and the tires
shall be inflated at the recommende.d pressure.
3.5
over-run brake
brake actuated by a cOlnpressive force in the hitch between a trailer and the towing tractor
used to decelerate a lnoving trailer
3.6
parking brake
brake actuated by a pedal or lever to keep the trailer in stationary or parked position
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PAES 136: 2004
3.7
payload
net weight
unifonnly distributed Inaxilnuln safe load whkh can be transported by the trailer expressed in
tons
3.8
service brake
brake actuated by a pedal or lever to decelerate and stop a moving trailer
3.9
tow eye
hitch point of the trailer's pullbar to be attached to the towing tractor
3.10
unladen mass
tare weight
mass of a trailer with all its usual fittings but without any load
3.11
wheel base
horizontal distance between foretnost and rearmost axles or wheels measured at the center of
the ground contact
3.12
wheel tread
wheel track
distance between the outermost wheels at the Salne axle measured at the center of ground
contact
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P AES 136: 2004
4 Classification
4.1 Balanced Trailer
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b. SIDE VIEW
Figure 1 - Balanced Trailer for Four-Wheel Tractor
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PAES 136: 2004
4.2 Semi-Trailer
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a. TOPVIEW
.. - ------.---- SIDE BOARD
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b. SIDE VIEW
Figure 2 - Semi -Trailer for Four-Wheel Tractor
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