SEM 636D / 655D / 656F / 660D / 676F Wheel Loaders

Name: SEM 636D / 655D / 656F / 660D / 676F Wheel Loaders
Brand: ArcherMach
SKU: sem-636d-655d-656f-660d-676f-wheel-loaders
Availability: InStock

SEM wheel loader range covers 3-ton to 7-ton classes: 636D, 655D, 656F, 660D and 676F. Weichai engines, load-sensing / flow-sharing hydraulics and SEM countershaft transmissions for quarry, port, coal and aggregate work.

Wheel Loader

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Product Details

SEM Wheel LoadersEarthmoving / Material Handling / Quarry & Port Operations

SEM 636D / 655D / 656F / 660D / 676F Wheel Loaders

The SEM wheel loader line spans 3-ton to 7-ton payload classes, pairing Weichai engines with SEM countershaft power-shift transmissions and load-sensing / flow-sharing hydraulics. Whether the job is port cargo handling, coal loading, quarry aggregate or general construction, the 636D, 655D, 656F, 660D and 676F deliver proven productivity, simple maintenance and export-ready configurations for contractors and rental fleets worldwide.

Full Product Range

Model	Rated Load	Operating Weight	Bucket Capacity	Engine	Net Power	Tires
SEM 636D	3,000 kg	10,000 kg	1.4–2.5 m³	Weichai WP4.6NG135E502	99 kW	17.5-25
SEM 655D	5,000 kg	16,800 kg	2.7–4.5 m³	Weichai WD10G	162 kW	23.5-25
SEM 656F	5,500 kg	17,678 kg	2.6–5.0 m³	Weichai WD10G220E23	162 kW	23.5-25
SEM 660D	6,000 kg	20,000 kg	2.8–5.5 m³	Weichai WD10G240	178 kW	23.5-25
SEM 676F	7,100 kg	23,350 kg	4.2–6.5 m³	Weichai WP10G270	199 kW	26.5-25

Main Technical Specifications

Parameter	SEM 636D	SEM 655D	SEM 656F	SEM 660D	SEM 676F
Operating weight with standard bucket	10,000 kg	16,800 kg	17,678 kg	20,000 kg	23,350 kg
Rated load	3,000 kg	5,000 kg	5,500 kg	6,000 kg	7,100 kg
Bucket capacity	1.4–2.5 m³	2.7–4.5 m³	2.6–5.0 m³	2.8–5.5 m³	4.2–6.5 m³
Overall dimensions (L × W × H)	7,322 × 2,348 × 3,182 mm	8,085 × 2,963 × 3,463 mm	8,472 × 3,117 × 3,465 mm	8,414 × 3,370 × 3,458 mm	9,012 × 3,259 × 3,529 mm
Wheelbase	2,740 mm	3,200 mm	3,350 mm	3,350 mm	3,550 mm
Max. drawbar force	98 kN	—	170 kN	—	215 kN
Breakout force	114 kN	168 kN	161 kN	183 kN	215 kN
Dump clearance	2,990 mm	3,058 mm	2,991 mm	3,048 mm	3,250 mm
B-pin height	3,917 mm	—	4,162 mm	—	4,411 mm
Articulated steering angle	37°±1°	38°±1°	38°±1°	38°±1°	35°±1°
Engine model	Weichai WP4.6NG135E502	Weichai WD10G	Weichai WD10G220E23	Weichai WD10G240	Weichai WP10G270
Rated power / speed	99 kW @ 2,150 rpm	162 kW @ 2,000 rpm	162 kW @ 2,000 rpm	178 kW @ 2,000 rpm	199 kW @ 2,200 rpm
Engine displacement	4.6 L	9.726 L	9.7 L	9.726 L	9.7 L
Transmission type / gears	Countershaft power shift, F4/R2	Countershaft power shift, F4/R4	Countershaft power shift, F4/R4	Countershaft power shift, F4/R4	EH countershaft power shift, F4/R3
Torque converter	Single stage 3 elements, TR100	Single stage 3 elements, TR200	Single stage 3 elements, TR200	Single stage 3 elements, TR200	Single stage 3 elements, TR240
Top speed (forward / reverse)	39 / 30 km/h	39 / 39 km/h	39 / 39 km/h	38 / 38 km/h	39 km/h (F)
Hydraulic system	Open center	Twin pump flow merging	Open center flow sharing	Single load sensing flow sharing	Open center flow sharing
System pressure	18 MPa	17 MPa	17 MPa	18 MPa	24 MPa
Service / parking brake	Dry & caliper air to oil / drum-shoe	Dry & caliper air to oil / drum-shoe	Dry & caliper air to oil / drum-shoe	Dry & caliper air to oil / drum-shoe	Dry & caliper air to oil / drum-shoe
Tire size / type	17.5-25 bias, L-3	23.5-25 bias, L3/E3	23.5-25 bias, L-3	23.5-25 bias, L3/E3	26.5-25 bias, L-3

Model Family Breakdown

3-Ton Class — SEM 636D

Compact footprint with a 3-ton rated load, 99 kW Weichai engine and 17.5-25 tires. The 636D suits small-to-medium construction sites, material yards and loading jobs where maneuverability and fuel economy matter. Performance series bucket with high fill factor and best-in-class dump height reduce cycle times.

5-Ton Class — SEM 655D & 656F

The 655D (5-ton) and 656F (5.5-ton) share the proven WD10G engine platform with 162 kW output. The 655D emphasizes reliable twin-pump flow merging hydraulics for load-and-carry work, while the 656F upgrades to F-series cab styling, 10% higher payload, extended 3,350 mm wheelbase and 20% more cab space for all-day operator comfort.

6-Ton Class — SEM 660D

Built for high-volume material handling in ports, mineral yards and steel mills. The 660D lifts 6 tons at 183 kN breakout force, runs a 178 kW Weichai engine and uses a single load-sensing flow-sharing hydraulic system for fast, controllable bucket movement. Standard cooling package supports 43°C ambient, with a 50°C option for desert climates.

7-Ton Class — SEM 676F

The largest loader in the line, the 676F carries 7.1 tons with a 199 kW Weichai WP10 engine and electrohydraulic countershaft transmission (F4/R3). A 3,550 mm wheelbase, 215 kN breakout and 215 kN drawbar give the traction and stability needed for quarry faces, iron ore stockpiles and heavy aggregate loading.

Why Choose SEM Wheel Loaders

Matched Weichai Power

Low-speed engines with E-fan, enhanced fuel pre-filters and multi-stage air cleaners deliver reliable output from 99 kW to 199 kW while keeping fuel consumption low.

Efficient Hydraulics

Open-center flow sharing, twin-pump merging or single load-sensing systems reduce cycle times. Boom raise times range from 4.7 s to 5.7 s across the family.

Countershaft Transmission

SEM TR100 / TR200 / TR240 torque converters and countershaft power-shift boxes provide high rim pull in first gear and fast travel speed in top gear.

Heavy-Duty Axles

Spiral bevel main drive, planetary final reduction and dry caliper brakes handle severe duty. Rear oscillation up to ±12° keeps all wheels on uneven ground.

Operator Comfort

F-series cabs add up to 20% more space, pressurized sealing, HVAC, adjustable suspension seats and integrated FNR / KD joystick controls to reduce fatigue.

Ready for Hot Climates

Cooling packages are validated for 43°C to 50°C ambient conditions, making these loaders suitable for African, Middle Eastern and Southeast Asian job sites.