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New Holland Workmaster 25S
Cab with Heater (p/n: 1NHWM25SCA)
fits tractor models: Workmaster 25S
While this cab kit was designed to fit on the vehicle(s) listed above, manufacturing tolerances and vehicle
assembly may affect cab fitment. It is the responsibility of the cab installer to check all vehicle pedals and
levers for full functionality and, as required, adjust the cab fitment to prevent any interference of the cab
components with the travel of pedals or levers.
Front windshield wiper and
heater comes standard
with cab. Also shown with
optional front work lights,
and side view mirrors.
Available Options:
1. Front LED Work Lights (P/N: 9LEDW4)
2. Rear LED Work Lights (P/N: 9LEDW3)
3. Strobe Light (P/N: 9LEDS2)
4. Dome Light (P/N: 9LEDD14)
5. Side View Mirrors (P/N: 9PM5)
6. Rear View Mirror (P/N: 9PM3)
7. Rear Wiper (P/N: 9PWK8512F9-11A)
8. Seal Kit (P/N: 9SK8)
9. Adaptor Kit to Mount Cab Without Loader (P/N: 1NHWM25SAK)
Approximate Installation Time *
Experienced Dealer Technician – 6 Hours
Average Dealer Technician – 8 Hours
Do-It-Yourself – 10 Hours
(*=Not including accessories)
The contents of this envelope are the property of the owner. Leave with the owner when installation is complete.
Approximate Product Specifications
Floorboard to Roof Height: 61.625 inches
Weight: 329 lbs.
Cab Width: 47.625 inches (w/o side mirrors)
1 of 28
Rev. B, 08/17/2021
P/N: IM-1NHWM25SCA
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Related Manuals for Curtis New Holland Workmaster 25S
Summary of Contents for Curtis New Holland Workmaster 25S
- Page 1 1 of 28 New Holland Workmaster 25S Cab with Heater (p/n: 1NHWM25SCA) fits tractor models: Workmaster 25S While this cab kit was designed to fit on the vehicle(s) listed above, manufacturing tolerances and vehicle assembly may affect cab fitment. It is the responsibility of the cab installer to check all vehicle pedals and levers for full functionality and, as required, adjust the cab fitment to prevent any interference of the cab components with the travel of pedals or levers.
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Page 2: Table Of Contents
2 of 28 TABLE OF CONTENTS WARNINGS, TIPS, & REQUIRED TOOLS ............3 CAB INSTALLATION .................. 4-18 CAB FEATURES & OPERATION ............. 19-20 CARE AND MAINTENANCE ................. 21 SERVICE PARTS ..................22-25 OPTIONAL ACCESSORIES ................. 26 TORQUE SPECIFICATIONS ..............27-28... -
Page 3: Warnings, Tips, & Required Tools
3 of 28 WARNINGS, TIPS, & REQUIRED TOOLS Curtis cabs feature an assembly of parts designed for your vehicle which require adjustment and alignment of components to accommodate vehicle variations and provide proper weather protection. For accurate installation, proper operation, and years of satisfaction, please read and understand the installation and owner’s manual fully prior to installing the cab. -
Page 4: Cab Installation
4 of 28 CAB INSTALLATION STEP 1: (VEHICLE PREP) To Here Rotate Loop If tractor is equipped with a 100LC Loader, rotate loader valve hose loop up per figures 1.1a and 1.1b. Tools required 22mm Wrench or Socket Remove and position the loader (if installed) away from the vehicle. - Page 5 5 of 28 CAB INSTALLATION STEP 1: (VEHICLE PREP CONTINUED) Pop the hood, disconnect the headlights per figure 1.7. If Grill Guard is installed, remove and set aside with mounting hardware per figure 1.8. Tools required 19mm Wrench or Socket Remove grill and side panels (all one piece) from tractor.
- Page 6 6 of 28 CAB INSTALLATION STEP 2: (REAR MOUNT BRACKETS) Using the fasteners listed below and those that were removed during step 1.4, first install the spacers and then the rear mount bracket on the left side of vehicle with the small flange facing up. See Figure 2.1. Hardware Used 1/2”...
- Page 7 7 of 28 CAB INSTALLATION STEP 4: (RADIATOR SHROUD, LOAD LOCK LEVER & COWL) Position the radiator shroud on the vehicle just in front Boot of the front lip of the floorboard per figure 4.1. Install Tip: If needed, move the rubber boot of the jockstick out of the way when placing the shroud in place.
- Page 8 8 of 28 CAB INSTALLATION STEP 5: (REAR LEGS) 5/16-18 Nuts Fasten the rear leg to the previously installed ROPS brackets. See Figure 5.1. Hardware Used 5/16-18 X 3/4 Hex Head Screw 5/16-18 Hex Lock Nut 5/16-18 x 3/4 Screws Tools required 1/2”...
- Page 9 9 of 28 CAB INSTALLATION STEP 7: (SIDE FRAMES CONT’D) 5/16-18 x 3/4 Screws Fasten the side frame to the cowl as shown in Fig- ure 7.3. Hardware Used 5/16-18 X 3/4 Hex Head Screw 5/16-18 Hex Nut Tools required 1/2”...
- Page 10 10 of 28 CAB INSTALLATION STEP 10: (CAB WIRING) Heater Switch Wiper Connector 10.1 Attach the main power wire harness to the top of the cowl, about 6” from the end of the windshield wiper motor connector, using supplied zip-ties. The connector end should be outside the cab with the rest of the harness on the inside.
- Page 11 11 of 28 CAB INSTALLATION STEP 11: (WINDSHIELD) 5/16-18 Nuts 11.1 With assistance, set the windshield up to the side frames and secure it to the windshield support using the Hinge Spacers hinge spacers and hardware. See Figure 11.1. Leave hardware loose.
- Page 12 12 of 28 CAB INSTALLATION STEP 13: (ROOF) 13.1 Per figure 13.1, pierce the headliner in (6) places where the rubber plugs were previously removed. Use a screwdriver to poke holes through the headliner from Pierce headliner here the headliner side up through the hole in the roof to avoid having the headliner pull away from its glued surface.
- Page 13 13 of 28 CAB INSTALLATION STEP 15: (REAR WINDOW) 15.1 Grease the hinge pins found on the left side rear leg Snap Latches and slide on greased brass washers (one washer per into Right pin). See Figure 15.1. Rear Leg, 2 Places 15.2 Hang the rear window on the hinges.
- Page 14 14 of 28 CAB INSTALLATION STEP 17: (HEATER PLUMBING Right Female Insert CONTINUED) Hose Coupling 17.3 Slide 1” hose clamp and Female Insert In-Line Coupling onto the right hose outside the cab and tighten down hose clamp onto hose/barb of in-line coupling. See figure 17.3 17.4 Slide 1”...
- Page 15 15 of 28 CAB INSTALLATION STEP 17: (HEATER PLUMBING Right CONTINUED) Hose 17.11 Install block adapter onto the top of the sending unit adaptor. Next, install right side 5/8” heater hose and 1” hose clamp onto the recently installed block adapter. Re-connect temp.
- Page 16 16 of 28 CAB INSTALLATION STEP 20: (SMV SIGN) Spacers Here 20.1 Re-install SMV Sign and Bracket removed on step 1.3 using the supplied 40mm long spacers (ref.: 1.57” long) per figure 20.1. Hardware Used M8X1.25 X 60mm Hex Screw M8 X 40mm long spacer Tools required 13mm Wrench and Socket...
- Page 17 17 of 28 CAB INSTALLATION STEP 22: (DOORS) 22.1 Check to make sure that the brass washers are still installed on the left side hinge pins and then apply grease to the pins. Loosen Door 22.2 Hang the left door on the hinge pins. Hinges Note: If necessary, adjust the door as outlined in steps 22.3 thru 22.5.
- Page 18 18 of 28 CAB INSTALLATION STEP 23: (ACCESSORIES/PLUGS) 23.1 If installing accessories, please do so now. If not, use the supplied plugs to fill any exposed holes. See Figures 23.1a and 23.1b. 23.2 Per figure 23.2, install (7) insert covers. 23.3 Optional Rear Wiper Note: For easier wiper motor harness disconnection, cut the main wiring harness connector off a few inches from the...
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Page 19: Cab Features & Operation
19 of 28 CAB FEATURES & OPERATION CAB INSTALLATION POP-OUT WINDSHIELD Your Workmaster 25S cab comes equipped with a pop-out windshield for ventilation. To open the windshield, simply lift up on both of the pop-out latches and rotate until the latches rest in the over-center position. - Page 20 20 of 28 CAB FEATURES & OPERATION CAB INSTALLATION BACKHOE OPERATION On backhoe equipped vehicles, the lower rear panel will need to be removed to operate the backhoe. Remove the Rear Window First. Then remove mounting hardware from Lower Rear Panel and store in a plastic bag. Store the lower rear panel in a safe location to prevent damage.
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Page 21: Care And Maintenance
21 of 28 CARE AND MAINTENANCE • Re-apply lubrication (preferably grease) periodically as needed to the door striker pins, door latch assemblies, and the door hinges. • Check and tighten hardware after 40 hours of operation. Periodically inspect and tighten hardware for the remainder of the unit’s life. -
Page 22: Service Parts
22 of 28 NEW HOLLAND WORKMASTER 25S CAB SERVICE PARTS ROOF ASSEMBLY WINDSHIELD ASSEMBLY WINDSHIELD SUPPORT P/N: 8SV-102-00031 P/N: 8SV-103-00025 P/N: 8SV-101-00057 COWL ASSEMBLY RADIATOR SHROUD ASSEMBLY DOOR ASSEMBLY, LEFT P/N: 8SV-105-00027 P/N: 8SV-111-00032 P/N: 8SV-107-00041-L DOOR ASSEMBLY, RIGHT REAR LEG ASSEMBLY, LEFT... - Page 23 23 of 28 NEW HOLLAND WORKMASTER 25S CAB SERVICE PARTS ROPS CLAMP ASSEMBLY BRACKET, ROPS, ASSEMBLY, LEFT BRACKET, ROPS, ASSEMBLY, RIGHT P/N: 8SV-110-00082-L P/N: 8SV-110-00082-R P/N: 8SV-110-00062 SET OF LOWER REAR MOUNTS; P/N: 8SV-SM-01753 BRACKET, LOWER, REAR MOUNT P/N: 8SV-SM-01752...
- Page 24 24 of 28 NEW HOLLAND WORKMASTER 25S CAB SERVICE PARTS SET OF LOWER FRONT MOUNTS HINGE KIT, TOP & BOT, LEFT HINGE KIT, TOP & BOT, RIGHT P/N: 8SV-SM-01771 P/N: 8SV-HKWTB-L P/N: 8SV-HKWTB-R EXTENDED SENDING UNIT ADAPTER IN-LINE COUPLING, MALE INSERT...
- Page 25 25 of 28 ADDITIONAL SERVICE PARTS PART NUMBER DESCRIPTION 9SV-DL173 DECAL, HEARING PROTECTION 8SV-LCH-00007 LATCH SET WITH MOUNT, POP OUT, SINGLE ARM, 3" OPENING (LEFT AND RIGHT PAIR) 9SV-9PWM110 WIPER MOTOR, 110 DEGREE 9PWB20-FB WIPER BLADE, 20", FLEX 9SV-9PWA14-16 WIPER ARM, ADJUSTABLE LENGTH (11" - 16") 9SV-PWKHB GLASS MOUNTING KIT FOR WIPER SYSTEMS 9SV-GS02Q...
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Page 26: Optional Accessories
26 of 28 OPTIONAL ACCESSORIES FOR NEW HOLLAND WORKMASTER 25S CAB FRONT LED WORK LIGHTS (P/N: 9LEDW4) REAR LED WORK LIGHTS (P/N: 9LEDW3) STROBE LIGHT (P/N: 9LEDS2) SIDE VIEW MIRRORS (P/N: 9PM5) REAR VIEW MIRROR (P/N: 9PM3) DOME LIGHT (P/N: 9LEDD14) REAR WIPER KIT, 85 DEG W/ 12"... -
Page 27: Torque Specifications
Tightening of Non-Structural Bolts For light or medium duty fastening, Curtis recommends using a general industry standard of tightening until snug and then giving an additional one quarter turn of the tool as deemed reasonable for the application (i.e.: at the installer’s discretion). - Page 28 28 of 28 Torque Specs. for Structural Bolts This page is for use primarily when dealing with high-strength vehicle fasteners such as ROPS hardware that hold the structure together for safety. This page can also be used for other solid metal-to-metal joints. Do not use these high torque values on any of the following applications involving: tubing, plastic, nylon or rubber washers, threaded inserts, etc..