SPECIFICATIONS

MOWER DIMENSIONS & WEIGHT

 

 

 

Overall Length

 

79.13" (201 cm)

Width, Wing Mowers Folded

 

61.8" (157 cm)

Width, Wing Mowers Down

 

76" (193 cm)

Height

 

39.37"(100 cm)

Weight (empty)

 

659 lbs. (299 kg)

ENGINE – BRIGGS & STRATTON 138400 SERIES

 

Engine Type

Forced Air Cooled, 4-cycle, Horizontal Shaft, OHV Engine

Number Of Cylinders

 

One

Piston Displacement

 

13.1 cu. in. (215 cc)

Maximum Horsepower

7.5 hp (5.6 kW)) / 3600 rpm (Corrected per SAE J1349)

Direction Of Rotation

Counterclockwise, facing the power take-off shaft

Maximum Speed

 

3600 ±100 rpm

Fuel

 

Unleaded Gasoline (Petrol)

Fuel Tank Capacity

 

4.80 US qt (4.5 liter)

Maximum Fuel Consumption

 

0.68 gal/hr (2.4 liter/hr)

Oil

 

SAE 30 Engine Oil

Oil Capacity

 

30 fl. oz. (0.90 liter)

Carburetor

 

Float Type with Fixed Main Jet

Starter (68 SR)

Recoil Starter with Automatic Compression Release

Starter (68 DL)

 

Electric Starter and Recoil Starter

Lubrication Type

 

Splash

Air Cleaner

 

Dual Element

Muffler

 

Low Tone Type

Alternator

 

12v 10 A (68 DL)

Net Weight (Engine)

 

47 lbs (21.4 kg)

SOUND & VIBRATION LEVELS

 

 

 

Average Measured Sound Power

..............................................................................

99 dBA

Guaranteed Sound Power

 

105 dBA

Average Measured Sound Pressure, at operator position

87 dBA

Hand-Arm Vibration level

 

3.79 m/sec2 rms

Whole Body Vibration level

 

0.86 m/sec2 rms

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68OM-06/03

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National Mower 68 SR, 68 DL owner manual Specifications, Mower Dimensions & Weight, Engine Briggs & Stratton 138400 Series

68 SR, 68 DL specifications

The National Mower 68 DL and 68 SR are two outstanding models in the world of lawn care, engineered for efficiency and ease of use. Both mowers offer a range of features tailored to meet the needs of both residential and commercial users, making them popular choices among landscapers and homeowners alike.

The National Mower 68 DL is designed with durability and performance in mind. It features a robust steel deck that enhances longevity while providing a clean and even cut. Equipped with a powerful engine, the 68 DL delivers high torque and swift acceleration, enabling users to tackle even the toughest grass and rough terrain effortlessly. The mower's advanced cutting system ensures that grass is cut finely and evenly, reducing the need for additional clean-up.

On the other hand, the National Mower 68 SR offers a self-propelled option, allowing users to move with ease across various landscapes. This model incorporates hydrostatic transmission technology, which provides smooth, variable speed control. This feature is particularly beneficial for those who demand precision in their mowing tasks, as it allow for adjustments on the fly, catering to changing terrain conditions.

Both models come with adjustable cutting height options, offering users the flexibility to choose their desired grass length. The easy-to-use lever enables quick and simple adjustments without needing tools, making the mowing process more efficient. Additionally, both the 68 DL and 68 SR are designed with ergonomics in mind, featuring comfortable handles and intuitive controls that minimize operator fatigue.

Safety is another critical consideration in the design of the National Mower 68 series. Both models come equipped with protective shields and safety switches to prevent accidental starts, ensuring that users can operate the machines with confidence.

For convenience, the mowers also feature large, easy-roll wheels that enhance maneuverability. The inclusion of a bagging system offers an option for collection of grass clippings, contributing to a cleaner lawn appearance post-mowing.

In summary, the National Mower 68 DL and 68 SR combine advanced engineering with user-friendly features that prioritize performance and safety. They are exceptional choices for anyone looking to maintain a pristine lawn with minimal effort, making yard work a more enjoyable task. Whether for home use or professional landscaping, these mowers stand out in their class, delivering reliable performance time after time.