The grades of 18 Machinery stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

Cummins Inc. (CMI) improves from a B to a A rating this week. Cummins Inc. designs, manufactures, distributes and services diesel and natural gas engines, electric power generation systems, and engine-related component products. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of CMI stock.

This week, Illinois Tool Works Inc.’s (ITW) ratings are up from a B last week to a A. Illinois Tool Works Inc. designs and manufactures fasteners and components, equipment and consumable systems, and a variety of specialty products and equipment. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of ITW stock.

Ingersoll-Rand Plc (IR) earns a A this week, jumping up from last week’s grade of B. Ingersoll-Rand Plc is a diversified, global company that provides a diverse range of products and services for a wide range of industries. The company also gets A’s in operating margin growth, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of IR stock.

Lincoln Electric Holdings, Inc.’s (LECO) ratings are looking better this week, moving up to a B from last week’s C. Lincoln Electric Holdings, Inc. designs and manufactures welding and cutting products. The company also gets A’s in operating margin growth, earnings momentum, and return on equity. For more information, get Portfolio Grader’s complete analysis of LECO stock.

This week, Tennant Company (TNC) pushes up from a C to a B rating. Tennant Company engages in designing, manufacturing, and marketing cleaning solutions worldwide. The company also gets A’s in earnings momentum and return on equity. For more information, get Portfolio Grader’s complete analysis of TNC stock.

The rating of Crane Co. (CR) moves up this week, rising from a B to a A. Crane Co. manufactures engineered industrial products for the aerospace and electronics, engineered materials, merchandising systems, fluid handling, and controls sectors. The company also gets A’s in operating margin growth and return on equity. For more information, get Portfolio Grader’s complete analysis of CR stock.

Watts Water Technologies, Inc. Class A (WTS) boosts its rating from a C to a B this week. Watts Water Technologies, Inc. Class A designs, manufactures and sells a line of water safety and flow control products for the water quality, water conservation, water safety and water flow control markets. The company also gets A’s in earnings growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of WTS stock.

Kadant Inc. (KAI) shows solid improvement this week. The company’s rating rises from a B to a A. Kadant Inc. is a supplier of equipment used in the global papermaking and paper recycling industries. The company also gets A’s in earnings surprise and free cash flow. For more information, get Portfolio Grader’s complete analysis of KAI stock.

PACCAR Inc (PCAR) is seeing ratings go up from a C last week to a B this week. PACCAR Inc designs, develops, manufactures, and distributes light-, medium-, and heavy-duty trucks, and related aftermarket distribution of parts. The company also gets A’s in earnings momentum and return on equity. For more information, get Portfolio Grader’s complete analysis of PCAR stock.

This is a strong week for Toro Company (TTC). The company’s rating climbs to A from the previous week’s B. Toro Company is a designer, manufacturer and marketer of professional turf maintenance equipment and services, turf and agricultural micro-irrigation systems, landscaping equipment and snow removal products. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of TTC stock.

Albany International Corp. Class A (AIN) gets a higher grade this week, advancing from a C last week to a B. Albany International Corp. Class A is a global company engaged in the processing of textiles and other materials. The company also gets A’s in operating margin growth. For more information, get Portfolio Grader’s complete analysis of AIN stock.

This week, Franklin Electric Co., Inc. (FELE) pushes up from a C to a B rating. Franklin Electric Co., Inc. provides consulting, seminars, educational materials, publications, and products designed to make individuals and organizations more effective. The company also gets A’s in operating margin growth. For more information, get Portfolio Grader’s complete analysis of FELE stock.

Timken Company (TKR) boosts its rating from a C to a B this week. Timken Company is a developer, manufacturer, marketer and vendor of products for friction management and power transmission, alloy steels and steel components. The company also gets A’s in operating margin growth. For more information, get Portfolio Grader’s complete analysis of TKR stock.

Miller Industries, Inc. (MLR) shows solid improvement this week. The company’s rating rises from a C to a B. Miller Industries, Inc. is a domestic and foreign manufacturer of vehicle towing and recovery equipment. For more information, get Portfolio Grader’s complete analysis of MLR stock.

This is a strong week for Columbus McKinnon Corporation (CMCO). The company’s rating climbs to B from the previous week’s C. Columbus McKinnon Corporation is a global designer, manufacturer and marketer of hoists, cranes, actuators, chain, forged attachments, lift and other material handling products serving a wide variety of commercial and industrial end-user markets. For more information, get Portfolio Grader’s complete analysis of CMCO stock.

This week, Supreme Industries, Inc. Class A’s (STS) ratings are up from a B last week to a A. Supreme Industries, Inc. Class A is a manufacturer of specialized vehicles, including trucks, buses and armored vehicles. The company also gets A’s in operating margin growth, earnings growth, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of STS stock.

Harsco Corporation (HSC) is seeing ratings go up from a C last week to a B this week. Harsco Corporation is an industrial services and engineered products company. The company also gets A’s in earnings revisions, earnings surprise, and return on equity. For more information, get Portfolio Grader’s complete analysis of HSC stock.

ARC Group Worldwide, Inc. (ARCW) gets a higher grade this week, advancing from a B last week to a A. ARC Group Worldwide, Inc. provides wireless network component and end-to-end wireless network solutions. The company also gets A’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of ARCW stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.