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Truck Driver Shin-Knee Position for Clutch and Accelerator
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STANDARD published on 1.12.2024
Designation standards: SAE J1521
Publication date standards: 1.12.2024
SKU: NS-1208705
Country: American technical standard
Category: Technical standards SAE
This SAE Recommended Practice describes two-dimensional, 95th percentile truck driver, side view, seated shin-knee contours for both the accelerator operating leg and the clutch operating leg for horizontally adjustable seats (see Figure 1). There is one contour for the clutch shin-knee and one contour for the accelerator shin-knee. There are three locating equations for each curve to accommodate male-to-female ratios of 50:50, 75:25, and 90:10 to 95:5.
SUBFILE: Commercial Vehicle
TYPE OF DOCUMENT: Ground Vehicle Standard
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Latest update: 2026-05-17 (Number of items: 2 278 942)
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